We intend to demonstrate that human perception is better understood when thought from the perspective of Aristotelian-Thomistic Philosophy. After concluding for its existence, Descartes, in the 17th century, concludes that there are ideas that we all possess, such as the idea of “perfection”. This idea cannot result from experience, and it’s God the source of the idea of perfection in us, and the one who guarantees the existence not only of external reality but also of our own correct reasoning. Very (...) far from the God of Thomas Aquinas who is Alpha and Omega, Descartes' god is a god situated and secondary between the subject and reality which, in turn, is guaranteed by God, in a vicious circle between God and the subject. It’s a subjective or logical God, such as Kant's, but not a real God. Reality is, therefore, subjectively intelligible and truth objectively achieved, and the principle of causality is, in this way, subjectively valid. Reality is intelligible not because it’s provided by intelligible forms — by intelligible (and not only sensitive matter) that we, in fact, perceive — but because it is a reality presented by extension that is nothing more than a reflection of the logical-mathematical universe, thought by Modernity and which, with this thinker, is innate to the subject. This is a pure and finished reason. The extensive reality is purged of subjective elements; it is logical-mathematical (therefore, it is thought). It’s a kind of idealism and not realism and which results in a physicalist and materialist view of reality. Materialism, called physicalism in mainstream culture, consists of the idea that there is a world out there that is not experiential. It is material, but the way the word is used here has a strict conceptual definition. Matter is something that can be specifically described by numbers. It's a world without qualities. The world is purely quantitative and, because we are part of this world, we are also quantitative. The entire world of qualities that, deep down, constitutes our reality, is generated, according to materialism, in a not very well specified way and by a brain inside our head. The world outside has no flavors, colors, smells or sounds. We cannot see it because it has no qualities. The best we can do is imagine it as some kind of set of mathematical equations floating in the void. (shrink)

Most philosophers in the High Middle Ages agreed that what we immediately perceive are external objects. Yet most philosophers in the High Middle Ages also held, following Aristotle, that perception is a process wherein the perceiver takes on the form or likeness of the external object. This form or likeness — called a species — is a representation by means of which we immediately perceive the external object. Thomas Aquinas defended this thesis in one form, and Durand of St.-Pourçain, (...) his Dominican successor, rejects it. This paper explores Durand's novel criticism of Aquinas's species-theory of cognition. I first develop and defend a new interpretation of Durand's central criticism of Aquinas's theory of cognition. I close with some considerations about Durand's alternative to the theory. -/- . (shrink)

Like Aristotle, Thomas Aquinas holds that the rational soul is the substantial form of the human body. In so doing, he takes himself to be rejecting a Platonic version of substance dualism; his criticisms, however, apply equally to a traditional understanding of Cartesian dualism. Aquinas’s own peculiar brand of dualism is receiving increased attention from contemporary philosophers—especially those attracted to positions that fall between Cartesian substance dualism and reductive materialism. What Aquinas’s own view amounts to, however, is subject (...) to debate. Philosophers (such as J. P. Moreland and Scott Rae) have claimed that ‘Thomistic substance dualism’ (TSD) centers around two beliefs: (1) the rational soul is an immaterial substance, and (2) this immaterial substance is the human person. In this paper, I argue that labeling such an account ‘Thomistic’ proves dangerously misleading—not only does Aquinas himself explicitly deny both of these claims, but he denies them for philosophically significant reasons. Furthermore, I argue that Aquinas’s own position provides an account of human nature both more coherent and philosophically attractive. (shrink)

Prime Matter Pluralism (PMP) states that while the prime matter of all terrestrial bodies is the same, there is a unique prime matter for each celestial body. Prime matters are distinct in virtue of being in potentiality to different forms. Steven Baldner argues that although Thomas Aquinas endorsed PMP in Summa theologiae I, he ultimately rejected it in his De caelo commentary and De substantiis separatis. Besides exegetical evidence for this claim, Baldner presents a philosophical objection to PMP: according (...) to PMP, distinct prime matters are restricted in their respective potentialities; such restriction requires form, however; therefore, prime matter is not pure potentiality. Since prime matter is pure potentiality, PMP is false. Pace Baldner, I argue that Aquinas endorses PMP as heartily in the later works as in STh I. Moreover, he resisted substantially the same objection to PMP as Baldner’s several times. In particular, Aquinas repeatedly rejected the claim that the restriction of prime matter’s potentiality requires form. In that case, when Aquinas calls prime matter “pure potentiality,” he means that it is formless of itself, not that it is in potentiality to any form whatsoever. (shrink)

_ Source: _Volume 54, Issue 1, pp 1 - 21 Thomas Aquinas sees a sharp metaphysical distinction between artifacts and substances, but does not offer any explicit account of it. We argue that for Aquinas the contribution that an artisan makes to the generation of an artifact compromises the causal responsibility of the form of that artifact for what the artifact is; hence it compromises the metaphysical unity of the artifact to that of an accidental unity. By contrast, the (...) metaphysical unity of a substance is achieved by a process of generation whereby the substantial form is solely responsible for what each part and the whole of a substance are. This, we submit, is where the metaphysical difference between artifacts and substances lies for Aquinas. Here we offer on behalf of Aquinas a novel account of the causal process of generation of substances, in terms of _descending forms_, and we bring out its explanatory merits by contrasting it to other existing accounts in the literature. (shrink)

Arguably one of the most fundamental phase shifts that occurred in the intellectual history of Western culture involved the ontological reduction of secondary qualities to primary qualities. To say the least, this reduction worked to undermine the foundations undergirding Aristotelian thought in support of a scientific view of the world based strictly on an examination of the real—primary— qualities of things. In this essay, I identify the so-called “Causal Argument” for a reductive view of secondary qualities and seek to deflect (...) this challenge by deriving some plausible consequences that support a non-reductive view of secondary qualities from an Aristotelian view (via the philosophical commentary of Thomas Aquinas). Specifically, my argument has two facets. First, I show that Aristotle’s view both implies recognition of the extramental existence of secondary qualities and is a prima facia natural view to take regarding the ontology of secondary qualities. Second, I show that the Causal Argument, which is thought to undermine a natural view of secondary qualities as real things, loses its bite when one examines perception in light the ontological relationship among the categories of quality, quantity and substance. (shrink)

Flannery’s volume looks in two directions. On the one hand, as Flannery announces in the book’s introduction, the chapters in the volume were intended to shed light on three specific ‘background’ issues in contemporary ethics and the interpretation of Thomas Aquinas, namely, Aquinas’ notion of ethical theory (as articulated especially in Summa Theologica 1-2.6-21), the ramifications of physical actions on moral evaluation in contemporary ethics (for instance, whether the fact that an abortion consists specifically in the crushing of a (...) fetus’ skull rather than some other form of terminating the fetus has moral relevance), and the understanding of Aquinas’ ‘principle of double effect’ (Summa Theologica 2-2.64.7). On the other hand, the eight chapters (and two appendices) are all devoted to the exegesis of passages in Aristotle’s corpus (primarily the ethical treatises, but with substantial discussions of passages from the Prior Analytics, the Physics, and the Metaphysics insofar as they shed light on passages in the eth-ical corpus). Although the exegetical chapters are motivated by contemporary and Thomistic background issues, the exegesis appears entirely grounded in Aristotle’s (rather than Aristotelian) texts. (shrink)

Servais Pinckaers, in his most important work, The Sources of Christian Ethics, asks the provocative question: is the Moral Theology of St. Thomas Aquinas Christian or, alternatively, does Aquinas rely so much on the ethics of Aristotle that his teaching is merely philosophical? This paper presents an overview of Pinckaers’s answer to this question. His answer is important in that it addresses a common misinterpretation of St. Thomas, which is to overstress his Aristotelian influence and understate his reliance (...) on Scripture, the Fathers (especially Augustine), and the New Law of the Gospel. In this way Pinckaers forms part of a ressourcement in Thomistic studies that seeks to reaffirm the evangelical character of Aquinas’s work and its importance in the renewal of Moral Theology called for at Second Vatican Council. (shrink)

This paper presents Duns Scotus’s theory of mixture in the context of medieval discussions over Aristotle’s theory of mixed bodies. It revisits the accounts of mixture given by Avicenna, Averroes, and Thomas Aquinas, before presenting Scotus’s account as a reaction to Averroes. It argues that Duns Scotus rejected the Aristotelian theory of mixture altogether and that his account went contrary to the entire Latin tradition. Scotus denies that mixts arise out of the four classical elements and he maintains that (...) both the elemental forms and the elemental qualities are lost in the mixture. Consequently, he denies the distinction between the process of mixture and that of substantial change through generation and corruption. The reassessment of Scotus’s account modifies the current historical representation of this discussion, inherited from Anneliese Maier. (shrink)

Thomas Aquinas embraces a controversial claim about the way in which parts of a substance depend on the substance’s substantial form. On his metaphysics, a ‘substantial form’ is not merely a relation among already existing things, in virtue of which (for example) the arrangement or configuration of those things would count as a substance. The substantial form is rather responsible for the identity or nature of the parts of the substance such a form constitutes. Aquinas’ controversial (...) claim can be roughly put as the view that things are members of their kind in virtue of their substantial form. To put it simply, Aquinas’ claim results in the implication that, every time the xs come to compose a y, those xs have to undergo a change in kind membership. -/- This has been called the “homonymy principle,” and it follows from Aquinas’ view of substantial forms, and specifically from the position that substantial forms inform prime matter, rather than substance-parts. The aim of this paper will be to defend that the Thomistic claim that substantial forms account for the determinate actuality of every part of a substance is plausible and coherent. After defending the Thomistic account, I propose that approaching problems of material composition as a Thomist has a significant, oft-overlooked advantage of involving a thorough-going naturalistic methodology that resolves such problems by appeal to empirical considerations. (shrink)

The article focuses on an unexamined so far aspect of byzantine philosophy, namely the influence of Arabic philosophy upon byzantine thinkers. Despite the vicinity of Byzantium and Arabic territories, the philosophical interactions were minimal. Scholarios claimed, in a dedicatory epistle to Constantine Paleologus (1405-1453), that he had studied the treatises of Avicenna, Averroes, and other Arab and Persian philosophers. He admitted that Averroes was beyond doubt the best commentator of Aristotle. Scholarios acknowledged that the study of the Arabs contributed immensely (...) to his philosophical education and particularly to the proper understanding of the Aristotelian philosophy (Scholarios, vii.1-6). Scholarios aimed at the enrichment and renewal of Byzantine philosophy. Besides his high esteem for Arabic philosophy, he devoted a large part of his life translating and paraphrasing the Scholastics, especially Aquinas. Despite Scolarios’ claim about his erudition on the Arab and Persian philosophers, a detailed examination of his works proves that in most cases he simply reproduced and incorporated sections from Aquinas’ works, without resorting to the original sources. Scholarios’ references to the Arabs are multiplied in his translations and compendia of Aquinas’ works, but are reduced significantly in his original texts. Frequently Scholarios refrained from mentioning the Arab philosophers, despite the fact that he commented on Aquinas’ passages, which are dedicated to Avicenna or Averroes. On the contrary, Scholarios did not avoid mentioning in detail Aquinas’ Christian or ancient Greek sources. It is obvious that Scholarios did not have a consistent approach towards Arabic philosophy. Most of the times he reproduced loosely Aquinas’ passages, where the latter commented on the Arabs. (shrink)

Aquinas’s account of the human soul is the key to his theory of human nature. The soul’s nature as the substantial form of the human body appears at times to be in tension with its nature as immaterial intellect, however, and nowhere is this tension more evident than in Aquinas’s discussion of the ‘separated’ soul. In this paper I use the Biblical story of the rich man and Lazarus (which Aquinas took to involve actual separated souls) to highlight what (...) I will call the Two-Person Problem facing his account of human identity through death and the bodily resurrection. Aquinas claims that the rational soul is neither the human being nor the human person. When the rich man’s soul says “I am in agony,” then, what is the referent of “I?” It appears that there is a human person, ‘Dives,’ who is replaced at Dives’s death by the person ‘Dives’s soul,’ who is in turn replaced at the bodily resurrection by ‘Dives,’ whom Aquinas claims is numerically identical to the original person. But this seems hopeless as an identity-preserving account of human nature. I believe that Aquinas’s account of human nature does not, as it stands, possess the resources with which to overcome this difficulty; I conclude that reconstructing a(n otherwise) Thomistic account that involves immediate bodily resurrection, although a radical approach, is the one best suited to preserving the most essential features of Aquinas’s theory. (shrink)

Boethius represents one of the most important milestones in Christian reflection about fate and providence, especially considering that he takes into account Proclus’ contributions to these questions. For this reason, The Consolation of philosophy is considered a crucial work for the development of this topic. However, Boethius also exposes his ideas in his commentary on the book that constitutes one of the oldest and most relevant texts on the problem of future contingents, namely Aristotle’s De interpretatione. Although St. Thomas (...) refers to Boethius many times in his systematic works and even devotes two commentaries to two of his theological opuscules, it is of special interest that both authors composed a commentary on the abovementioned work by Aristotle. The commentary of Saint Thomas does not interpret the whole book, but it does study the pages about future contingents in dialogue with Boethius. We will study such texts in our presentation. They constitute one of the greatest contributions of Aquinas to the problem of necessity and contingency and therefore to the vexata quaestio of divine intervention in the world and particularly in human free will. Not only Augustin but also Aristotle (read by Boethius) and Nemesius of Emesa will be decisive in Aquinas’ perception of this matter. (shrink)

On the History of Political Philosophy: Great Political Thinkers from Thucydides to Locke is a lively and lucid account of the major political theorists and philosophers of the ancient Greek, Roman, medieval, renaissance, and early modern periods. The author demonstrates the continuing significance of some political debates and problems that originated in the history of political philosophy. Topics include discussions concerning human nature, different views of justice, the origin of government and law, the rise and development of different forms of (...) government, idealism and realism in international relations, the distinction between just and unjust war, and the sources of public authority and the nature of legitimate sovereignty. The organizing principle of the book is the idea that the great political thinkers were searching for the best political order and a criterion for human conduct in both domestic and international politics. The book presupposes no previous knowledge of political philosophy. It will therefore be a valuable introductory book for students of philosophy, politics, and international relations. As it opens eyes to the perceptions that historical knowledge may convey, it will also be an illuminating and engaging reading for a general reader. (shrink)

Arguments concerning the nature of natural evil vary in their conclusions depending on the particular approach with which they commence inquiry; one of the most contested conclusions regards evil as privation, sourcing its justification primarily from Aquinas’ metaphysical conception of good as being and evil as non-being. It should be of no surprise, then, that the dismissal of natural evil’s privative nature comes about when the understanding of natural evil favours a phenomenological approach rather than a metaphysical one. Proponents of (...) said dismissal generally centre their claims around the notion of pain and suffering as substantially contentful – as in, non-privative – experiences of evil. On the other hand, theorists espousing the privation account generally argue that characterisations of pain and suffering as necessarily evil do not consider the context of orientation towards individual wellbeing within which pain/suffering experiences naturally function. Furthermore, some of the arguments for the privation account’s dismissal seem to disregard completely the Thomistic sense of the form and hierarchy of the good, which ends up straw-manning the privation account to a point where it can no longer reconcile the awfulness of experienced pain and suffering with these experiences not being necessarily evil. The importance of understanding this Thomistic sense is further emphasised in its capacity to explain why a divine and fully good Creator would involve the world with such evil. Thus, this paper first considers the account of evil given in question one of Aquinas’ De malo, along with contemporary arguments for the nature and purpose of evil as privation; second, these are then used as resources to help make sense of, one, the general nature of pain and suffering, and two, some of their specific expressions as found in disease and depression, and throughout evolutionary history. (shrink)

Aristotle classifies opposition (ἀντικεῖσθαι) into four groups: relatives (τὰ πρός τι), contraries (τὰ ἐναντία), privation and possession (στρέσις καὶ ἓξις) and affirmation and negation (κατάφασις καὶ ἀπόφασις). (Cat. , 10, 11b15-23) His example of relatives are the double and the half. Aristotle’s description of relatives as a kind of opposition is as such: ‘Things opposed as relatives are called just what they are, of their opposites (αὐτὰ ἃπερ ἐστι τῶν ἀντικειμένων λέγεται) or in some other way in relation to them. (...) For example, the double is called just what it is double of the other (οἷον τὸ διπλάσιον, αὐτὸ ὃπερ ἐστίν, ἑτέρου διπλάσιον λέγεται). Again, knowledge and the knowable are opposed as relatives, and knowledge is called just what it is, of the knowable, and the knowable too is called just what it is, in relation to its opposite, knowledge; for the knowable is called knowable by something-by knowledge.’ (Cat., 10, 11b24-30) 2) Senses of relatives In Met., Δ, 1020b26-32 Aristotle distinguishes three senses of relatives: i) That which contains something else many times to that which is contained many times in something else, and that which exceeds to that which is exceeded. E.g. double to half ii) The active to the passive; e.g. that which can heat to that which can be heated iii) The measurable to the measure, e.g. the knowable to knowledge and the perceptible to perception. 3) Relatives and contraries Aristotle’s discussion of relatives is unbelievably ambiguous. While he enumerates relatives besides contraries, privation-possession and affirmation-negation as four types of opposition (Cat., 10, 11b15-23), not only does not he restrict relatives to oppositions but he also does not totally differentiate it from contraries. Aristotle distinguishes between two senses of relatives one of which is contraries: ‘We have distinguished elsewhere the two senses in which relatives are so called-some as contraries (ὡς ἐναντία), others as knowledge to things known, a term being called relative because what is said one to the other is said by the other to itself (τῷ λέγεσθαί τι ἄλλο πρὸς αὐτό). (Met., I, 1056b34-1057a1) It seems that this differentiation is the same as, and maybe the one he himself refers to, the differentiation between the second and the third senses of relatives in Met., Δ, 1021a27-32: ‘Relative terms which imply number or capacity, therefore, are all relative because their very essence includes in its nature a reference to something else, not because something else is related to it (πρός τι πὰντα ἐστὶ πρός τι τῷ ὃπερ ἐστὶν ἄλλου λέγεσθαι αὐτὸ ὃ ἐστιν, ἀλλὰ μὴ τῷ ἄλλο πρὸς ἐκεινο); but that which is measurable or knowable or thinkable is called relative because something else is related to it. For the thinkable implies that there is thought of it, but the thought is not relative to that of which it is the thought; for we should then have said the same thing twice.’ Although Aristotle confirms contrariety in relatives (e.g. virtue to vice and knowledge to ignorance), he denies that there is a contrary ‘to every relative’ as there can be no contrary to what is double or treble. (Cat., 7, 6b15-19) The fact that Aristotle dedicates one sense of relatives to contraries means that the fourfold division of oppositions is not such a strict division without any kind of community between them. In his example of the first sense, however, Aristotle says: ‘One and number are in a sense opposed, not as contrary, but as we have said some relative terms are opposed; for inasmuch as one is measure and the other measurable, they are opposed.’ (Met., I, 1057a4-6) Now, the question is: Is Aristotle’s first sense of relative a contrary or not? Aristotle tells us that the opposition in this sense of relatives is the opposition of measure and measurable. The second sense has two differences with the first one: i) it is not a contrary and ii) what is said by one of the relatives to the other is also said by the latter to the former. To differentiate it from the first sense, when the one is the measure of the other, the latter will be the measure of the former as well: ‘But though knowledge is similarly spoken of as related to the knowable, the relation does not work out similarly for while knowledge might be thought to be the measure, and the knowable the thing measured, the fact is that all knowledge is knowable, but not all that is knowable is knowledge, because in a sense knowledge is measured by the knowable.’ (Met., I, 1057a7-12) Aristotle’s assertion at Met., I, 1057a36-37 that ‘of relative terms, those which are not contrary have no intermediate’ ensures us that we must take the first sense as contraries. Here he mentions a criterion of differentiation between two senses: while the first sense accepts intermediates (as, for example, great and small do), the second one does not. (Met., I, 1057a37-b1) It seems, however, that it is only the second sense that is the essential sense of relatives because the first sense, Aristotle says, is an accidental sense: ‘The one is opposed then to the many in numbers as measure to things measureable; and these are opposed as relatives which are not from their very nature relatives.’ (Met., I, 1056b32-34) 4) Definition of relative Aristotle’s first definition of the category of relative (πρός τι) is as such: ‘We call relative all such things as are said to be just what they are, of or than other things, or in some other way in relation to something else (Πρός τι δὲ τὰ τοιαῦτα λέγεται, ὃσα αὐτὰ ἃπερ ἐστὶν ἓτερων εἶναι λέγεται, ἢ ὁπωσοῦν ἄλλως πρὸς ἓτερον). (Cat., 7, 6a36-37; repeated almost without any change in: Cat., 7, 6b6-8) Aristotle’s examples are larger (because it is what it is than something else (τοῦθ᾿ ὃπερ ἐστὶν ἑτέρου λέγεται) that means it is called larger than something) and double. (Cat., 7, 6a37-b1) Aristotle’s aporia regarding relative is about their relation with substances: whether no substance is spoken of as a relative, or whether this is possible with regard to some secondary substances. (Cat., 7, 8a13-15) In the case of primary substances, it seems that he is confident, at least at first, that neither themselves nor their parts are spoken of in relation to anything: neither an individual man is called someone’s individual man nor an individual hand is called someone’s individual hand (but someone’s hand). (Cat., 7, 8a15-21) Although it is obvious that most of secondary substances are not spoken of as relatives (a man is not called someone’s man) (Cat., 7, 8a21-25), there are some with them there is room for dispute: a head is someone’s head and a hand is called someone’s hand, which seem to be relatives. (Cat., 7, 8a25-28) Aristotle thinks this must be due to the previous definition’s being problematic: with that definition ‘it is either exceedingly difficult or impossible to reach the solution that no substance is spoken of as a relative.’ (Cat., 7, 8a28-32) Thus, Aristotle changes his previous definition to a new one: ‘Those things are relatives for which being is the same as being somehow related to something’ (ἔστι τὰ πρός τι οἷς τὸ εἶναι ταὐτόν ἐστι τῷ πρός τί). (Cat., 7, 8a32-34) Although the first definition does indeed apply to all relations, its problem is that it does not take ‘their own being relative’ (τῷ πρός τι αὐτοῖς εἶναι) the same as ‘their being what they are of other things’ (ἃπερ ἐστὶν ἑτέρων λέγεσθαι). (Cat., 7, 8a34-37) Although this change of definition is to exclude all substances from being relative, what Aristotle says in Topics (To., Z, 8, 146a39- ), seems to ignore this: ‘For of everything relative the substance is relative to something else, seeing that the being of every relative term is identical with being in a certain relation to something.’ 5) Necessary knowledge of the related Knowledge of that in relation to which a relative is spoken of is necessary when one knows the relative: it is impossible to know a relative and at the same time not to know that in relation to which it is spoken of. (Cat., 7, 8a37-b3) To prove this, Aristotle adheres to the definition of relatives: ‘If someone knows of a certain ‘this’ that it is a relative, and being for relatives is the same as being somehow related to something, he knows that also to which this is somehow related.’ (Cat., 7, 8a37-b3; cf. 7, 8b3-15 for Aristotle’s examples) This necessary knowledge of the related, if we call it so, dedicates Aristotle an epistemological reason, besides the ontological one mentioned in his definition, for the exclusion of substances. As we noted in our discussion of Aristotle’s definition of relatives, he changed his first definition to exclude all substances from being relatives. Therefore, it is evident that for him relatives must not include substances, either primary or secondary. Aristotle does have no problem with primary substances simply because it is evident for him that they cannot be relatives. The same can be said about most of the secondary substances as well. The problem for which he changed the definition of substances was about some secondary substances like ‘head’ or ‘hand’: the fact that it is possible to know a hand or head without necessarily knowing definitely that in relation to which it is spoken of proves that they are not relatives. (Cat., 7, 8b15-21) 6) Reciprocation Aristotle regards reciprocation (ἀντιστρέφειν) necessary in all relations: ‘All relatives are spoken of in relation to correlatives that reciprocate.’ (Cat., 7, 6b28-29; cf. Cat., 10, 12b21-24) The sense of reciprocation is clear by his own examples: ‘The slave is called slave of a master and the master is called master of a slave; the double double of a half, and the half half of a double.’ (Cat., 7, 6b29-31) Reciprocation of relatives is so necessary that if there seems that we do not have reciprocation, it must necessarily be due to a mistake and that in relation to which something is spoken of must have not been given properly. (Cat., 7, 6b36-7a1) Aristotle’s example is this: If a wing is given as of a bird, ‘bird of a wing’ does not reciprocate because it has not been given properly: a wing is of a winged and not of a bird; a wing is wing of a winged and a winged is winged with a wing. (Cat., 7, 7a1-5) Even if we do not have a proper name to have a proper reciprocation, Aristotle points, we must invent names. (Cat., 7, 7a5-15 and 7b10-14) Thus, having proper names is the condition of necessary reciprocation: ‘All relatives are spoken of in relation to correlatives that reciprocate, provided they are properly given.’ (Cat., 7, 7a22-23) This condition is also said in another way: there is no reciprocation if a relation is given as related to some chance thing or to something that is accidentally the related thing like when, for example, a slave is given as of a man or a biped instead of being given as of a master. (Cat., 7, 7a25-31) 7) Simultaneity of relatives Aristotle believes that in most cases relatives are simultaneous: double and half or master and slave must exist at the same time: when there is a half, there is a double and when there is a slave, there is a master. (Cat., 7, 7b10-14) However, this receives some exceptions like knowable, which is prior and can, thus, exist before and without knowledge. (Cat., 7, 7b22-27) What approves this non-simultaneousness for Aristotle is that the destruction of knowledge does not carry the knowable to destruction. (Cat., 7, 7b27-31) The same is said about perception and perceptible. (Cat., 7, 7b35-8a9) Aristotle attaches simultaneity to reciprocation. This reciprocation, however, is not a simple reciprocation but ‘reciprocation as to implication of existence’ (ἀντιστρέφει μὲν κατὰ τὴν τοῦ εἶναι) with the condition that neither be in any way the cause of the other’s existence. (Cat., 13, 14b27-29; the same is said also at: Cat., 13, 15a4-11) Aristotle’s examples are the double and the half because when there is a double there is a half and when there is a half there is a double but neither is the cause of the other’s existence. (Cat., 13, 14b29-32) (We have ‘reciprocation as to implication of existence’ also in relation between genus and species but it seems that this has a totally different sense there. 8) Having no independent reality That a relative cannot be a substance, either a primary or a secondary substance, is discussed in our review of both the definition of relatives and their reciprocation. The differentiation of relatives and substances are so deep for Aristotle that after questioning the possibility of any common element or principle for substances and relatives (Met., Λ, 1070a33-36), he asserts that no substance, on the one hand, is the element of relatives and none of the relatives, on the other hand, is the element of substances. (Met., Λ, 1070b3-4) Aristotle does not, however, suffice to this. For him, relatives have the least substantiality, which is, for him, almost the same as reality: ‘The relative is least of all categories a real thing (φύσις τις) or substance, and less than quality and quantity; and the relative is an affection of quantity.’ (Met., M, 1088a22-25) Aristotle believes that an evidence of this least reality (ὄν) and substantiality is that relatives have no proper generation, destruction or movement while each of substance, quality and quantity have them. (Met., M, 1088a29-35) Moreover, neither motion (Phy., E, 1) nor any kind of change is applicable to relatives so that relatives are neither themselves alterations nor the subject of alterations (Phy., Z, 3) and the process of losing and acquiring states cannot be considered as alterations because these are the result of the alterations of non-relative things of which they are states. (Phy., Z, 3) Relative is not even matter but is something different. (Met., M, 1088a24-25) The reason is that the matter is potentially of a nature but relative is neither potentially nor actually of a nature. (Met., M, 1088b1-2) To understand the status of relatives in Aristotle’s world, we have to make a tripartite classification; a classification that though Aristotle himself did not make, his assertions approve it. Based on this division, there are three kinds of being in the world: i) Independent beings: This class includes only substances. ii) Dependent beings: This class includes qualities and quantities. Although they are real, they are ‘in’ substances and cannot exist without them. iii) Super dependent beings: This class includes at least relatives. The fact that relatives must be considered in a third class different from substances, on the one hand, and qualities and quantities, on the other hand, is obvious not only from the previously mentioned texts (Met., M, 1088a22-25, 29-35 and b1-2) in which relatives’ reality is considered less than all substances, qualities and quantities and different from matters but from this text: ‘For there is nothing either great or small, many or few, or, in general, relative which is not something (τι ὄν) different (ἓτερον) [that is also] many or few or great or small’. (Met, N, 1088a27-30) Therefore, super dependent beings are those beings that must necessarily be also something else, i.e. an independent or dependent being. Ackrill (1963, 99) points that some of the words used by Aristotle to exemplify relational entities, e.g. slave, are endowed with a complete sense and do not need to be supplemented by a correlate. (Thus, the linguist criterion of incompleteness would be deficient. Some other instances of relative entities like ‘state,’ ‘knowledge’ and perception are not necessarily followed by the genitive case. 9) Extent of relatives What is the extent of relatives? What are or are not included in relatives either among categories or among other concepts? Which concepts or things Aristotle regard as relative? i) Aristotle includes state (ἓξις) and position (θέσις) among relatives. (Cat., 7, 6b2-6; Cat., 7, 6b11-14; Cat., 8, 11a20-24) ii) Although relative is not matter but is something different (Met., M, 1088a24-25), matter is ‘non-being’ only in virtue of an attribute (Phy., A, 9) and is, thus, a relative term. (Phy., B, 2, 194b9) 10) Property and relativity Aristotle draws a contrast between two types of giving a property, absolute and relative: ‘A property is given either in its own right and for always or relative to something else and for a time.’ (To., E, 1, ^128b15-18) Being a civilized man, for example, is an absolute property for man while to command is a relative property for the soul. The absolute property, however, is considered not only potential to be discussed or observed in relation to many things or periods of time, it in fact ‘belongs to its subject relatively to every single thing that there is, so that if the subject is not distinguished relatively to everything else, the property will not have been given correctly.’ (To., E, 1, 129a18-20) Therefore, an absolute property is a property that ‘is ascribed to a thing in comparison with everything else and distinguishes it from everything else.’ (To., E, 1, 128b33- ) An absolute property is, then, absolutely relative and not conditionally relative, i.e. relative to a specific thing. This is what differentiates it from a relative property, which is relative to a certain thing: ‘A property relative to something else is one which separates its subject off not from everything else but from a particular definite thing.’ (To., E, 1, 128b33- ) One important difference between absolute and relative properties is that while an accident can be a relative property, it can never be an absolute property. (To., I, 5, ^102b20-36) For example, sitting, which is an accident, is also a property relatively to those who are not sitting. (To., I, 5, ^102b20-36) 11) Platonic theories as relatives At least three of Platonic theories Aristotle attaches to relatives: i) Forms ‘It seems that a Form is always spoken of in relation to a Form-this desire itself is for the pleasure itself, and wishing itself is for the good itself.’ (To., Z, 8, 147a^10) Moreover, the theory of Forms takes the relative prior to the absolute as, for example, it takes not the dyad but the number as first. (Met., A, 990b15-17) Aristotle believes that this is against not only the necessities of the case but only the Platonists’ opinion because Forms must be substances only, if they can be shared. (Met., A, 990b27-29) There are, however, things like ‘equal’ which are only relative: they are only in relation to something else. Now the theory that ideas are supposed to be substances only should entail the substantiality of merely relatives. The reason being that Forms are not shared incidentally but each thing shares in that which is not predicated of a subject. (Met., A, 990b29-31) ii) Unequal The Platonic theory of great and small or unequal, which we know more from Aristotle and has, in Platonic philosophy, a role like that of matter in Aristotelian philosophy, is also called relative by Aristole. (Met., M, 1089b4-15) iii) Potentiality Aristotle says that Platonists take what potentially is a ‘this’ and a substance but not actually so a relative because it is ‘neither potentially the one or being, nor the contradictory of the one nor of being, but one among beings.’ (Met., N, 1089b15-20) 12) All things as relative Aristotle attaches the theory that ‘everything is true’ to relativity and thinks the consequence of believing in this theory is that everything is true: ‘He who says all things that appear are true, makes all things relative.’ (Met., Γ, 1011a17-20) 13) Genera and species of relatives There are some genera, Aristotle hints, that are relative but their species are not relative. In such cases, the genera are spoken of in relation to something, but none of the particular cases are so spoken. (Cat., 8, 11a20-36) Aristole’s examples are knowledge and grammar of which the former is a relative but the latter is a quality. The consequence of this is that there is nothing absurd for a thing to be in both genera of relative and quality. (Cat., 8, 11a37- ) However, when the species is a relative, the genera will be a relative too. (To., Δ, 4, 124b15- ) Moreover, Aristotle asserts that ‘the differentiae of relative terms are themselves relative.’ (To., Z, 6, 145a14-16) Things that are called relative are called so, Aristotle says, ‘because the classes that include them are of this sort, e.g. medicine is thought to be relative bcs its genus, knowledge, is thought to be relative,’ (Met., Δ, 1021b4-6) 14) Relatives as indefinite? Fabio Morales takes 1088a29-b1 as a textual evidence supporting the assumption that Aristotle regarded relational terms as indefinite. (shrink)

By reconsidering all the available sources (from Simon du Val’s inquisitorial summons of November 1276 to the Continuatio brabantina, from the Fiore to the X canto of Dante’s Paradiso, from William of Tocco to Peckham’s letters) the article calls into question the thesis – still widely shared – according to which Siger of Brabant died in Italy, and more precisely in Orvieto, at the Papal Court, before November 1284. Above all, from a doctrinal point of view, it shows how it (...) is completely implausible that Peckham could refer to Siger of Brabant when, in his letter to the University of Oxford of November 10, 1284, he mentions two Seculars as the main defenders or ‘inventors’ of the thesis of the uniqueness of the substantial form in the human compound. The end of Siger in Italy could thus be, for the most part, a ‘black legend’, like that of the poisoning of Thomas Aquinas on behalf of Charles of Anjou. The article closes by showing some possible implications, even of a methodological nature, of this different approach. (shrink)

Descartes was both metaphysician and natural philosopher. He used his metaphysics to ground portions of his physics. However, as should be a commonplace but is not, he did not think he could spin all of his physics out of his metaphysics a priori, and in fact he both emphasized the need for appeals to experience in his methodological remarks on philosophizing about nature and constantly appealed to experience in describing his own philosophy of nature. During the 1630s, he offered empirical (...) support for the basic principles of his natural philosophy, while also promising to provide a metaphysical justification. He offered the metaphysical justification in the Meditations and Principles. and claimed absolute certainty for it. At the same time, he recognized that the particular postulated mechanisms of his natural philosophy did not reach that standard of certainty. These mechanisms were supported by empirical testing or confirming of causes through observed effects. (shrink)

This is an excerpt of Aquinas' proof of the existence of God. In proving God's existence, Aquinas lays out a cosmological argument of which also sets that tone for his seminal work in epistemology.

This paper discusses an anonymous manuscript Dissertatio against Descartes’s and Gassendi’s theories of knowledge, dating from the first half of the eighteenth century and now preserved in the Biblioteca Forteguerriana in Pistoia. It is probably the result of Jesuit pedagogy, stemming from the lectures in which Aristotle’s works were commented on, drawing heavily on the doctrine of Thomas Aquinas.

Reigning orthodoxy in the philosophical study of human rational capacities, such as being able to act intentionally and to reason, is to characterize them in causal psychological terms. That is, to analyze these capacities in terms of mental states and their causal relations. It is against this background that the work of G.E.M. Anscombe has gained renewed interest. The main goal of this chapter is twofold. First, I will explicate Anscombe’s philosophical approach by analyzing her account of intentional action and (...) by relating it to the misperceptions of that account in (the history of) the philosophy of action. Importantly, Anscombe holds that an analysis of intentional action in terms of what it is, e.g., an event with certain specific features, cannot provide non-circular explanations. Instead, following Aristotle, Thomas Aquinas and Wittgenstein, Anscombe seeks to explicate intentional action in terms of its form, i.e., the way in which it exists. The second aim of the chapter is to show the import of Anscombe’s approach by applying it to the philosophy of reasoning. After discussing two main problems for the current orthodox view in epistemological debates on reasoning, I will propose an alternative Anscombe-inspired view of reasoning. In this so-called form view of reasoning, reasoning is characterized as a tool to drag out implications, embodied in judgments of the form p as following from q. The upshot of the chapter is that concepts of our rational capacities do not depict certain psychological states or processes, but rather our involvement with rational connections that exist in our lives and practices. (shrink)

PHILOSOPHY OF HUMAN RIGHTS: HUMAN RIGHTS IN LIGHT OF THEIR INTERNATIONAL PROTECTION Summary The book consists of two main parts: in the first, on the basis of an analysis of international law, elements of the contemporary conception of human rights and its positive legal protection are identified; in the second - in light of the first part -a philosophical theory of law based on the tradition leading from Plato, Aristotle, and St. Thomas Aquinas is constructed. The conclusion contains an (...) application of the results of the analysis conducted in the second part. The first part comprises four chapters. The first aims at revealing characteristics of human rights on the basis of an analysis of historical conditioning of the inter-national law of human rights and its development. The historical context displays the practical, vindicative, and critical character of the positive legal protection of human rights. Moreover, the process of change of positive human rights law is distinguished from the process of change of human rights as such. In the second chapter the content of human rights - a topic which is only auxiliary to the conducted analysis - is discussed. Basic typology and catalogues of rights proclaimed in the Universal Declaration of Human Rights and protected in the International Covenants of Human Rights are presented. The review of the content of rights aims at a more precise limitation of the field of research. The examination shows a diversity of rights which poses a serious challenge to the coherence of every philosophical theory of human rights. In the third chapter, central in the first part, international law is analyzed with regard to the characteristics of rights and the foundations of them. The analysis of documents shows a number of solutions referring to the anthropological foundations of rights. The inherent dignity of the human person is the source of all human rights. Each human being is recognized as free, and endowed with both reason and conscience. In the propounded conception of man individuals are not rivals but create a community which is a condition for their development. International law characterizes the rights as universal, inherent, inalienable and inviolable. The reconstructed conception also comprises the following basic elements: on the level of the structure of rights, a recognition of their equality, interdependence, and comprehensiveness; in the grounding of these rights, a recognition of the anthropological foundations of law; in the conception of positive law, a recognition of the secondariness of the positive law of human rights to human rights themselves, and a recognition of human rights and justice as the basis for legal order; in the conception of state, a recognition of the well-being of the individual as the fundamental aim of actions undertaken by political institutions, and recogni¬tion of rights which form an impassable boundary to the power of the state, includ¬ing its legislative actions. The characterization of the international legal paradigm serving for the under¬standing of human rights is supplemented by analyses of the structure of their posi¬tive legal protection. Various meanings of the terms "right" and "freedom" are distinguished. Subjective right, as basic structure of the positive legal protection of human rights, is understood as a complex relation formed by various legal situations of the subject of a right which create a functional whole in respect of the subordi-nation of human person to its good. Subordinating person to a good proper for it, expressed usually in a proclamatory norm, is the central element of particular rights around which further elements aiming at the realization of this good are built. In the second part of the book a philosophical theory is developed which allows for the location of a coherent foundation for the presented characterization of human rights and their positive legal protection. This part consists of two chapters. The first includes a review of some - not entirely satisfactory - means of founding of human rights; the second presents philosophical conceptions of law and man which may form a basis for the constructed theory. The review of arguments contained in the first chapter does not aim at a detailed analysis of various specific ways of argumentation encountered in works on this subject but rather at a concise presentation of the main possible lines of argumentation. These analyses also serve to emphasize the positive solutions which are pro¬posed later and to underscore the explanatory power of the elaborated theory. This theory, retaining accurate intuitions contained in the presented types of argumenta¬tion, helps in avoiding their consequences which are difficult to reconcile with the reconstructed paradigm of human rights. Efforts to base human rights on the norms of international law rightly take into account the necessity of determining the content of the rights and their positive legal protection as a means for the realization of man's good. These attempts, how¬ever, do not properly take into account the inherent character of human rights, which are independent of positive law and provide grounds for applying specific legislative measures and not others. Founding human rights on freedom accurately points at the freedom of an indi¬vidual as a constitutive element of some rights; however, absolutization of freedom leads, to a loss of an important element of the contemporary paradigm of under¬standing human rights. This foundation undermines recognition of the fact that human rights may set limits to both the freedom of others and the freedom of the subject of rights itself. Additionally, attempts at the so-called axiological justification of human rights are discussed. This type of justification has a few variants depending on the as¬sumed conception of value. Subjectivistic conceptions have similar advantages and disadvantages to the conceptions basing human rights on freedom; objectivistic conceptions while providing for the universality of human rights place, the fundamental aim of human rights protection beyond the individual human being - in the idealistically existing world of values; finally, conceptions rooting values and human rights in culture, while accurately noting that human rights are learned through the medium of culture, place the source of human rights beyond a concrete individual - in culture and processes which take place in it - which leads to difficulties in finding a basis for the universality of rights. Furthermore, attempts to ground human rights in specific characteristics of the human being are presented. This type of approach points to an important problem of dependence of the content of rights on what man is. However, recognition of specific characteristics of a human being as an ontic foundation of the existence of rights poses a danger to their universality since one has to accept that it is not enough to be a man to be a subject of rights, but a man possessing specific charac¬teristics. The second chapter aims at outlining solutions worked out by Saint Thomas Aquinas. For a fuller understanding of his propositions selected elements of Plato's and Aristotle's philosophy are presented. It was them who formulated the founda¬tions for reflection on law and justice in the ontological context. A qualification is made that Stoicism is not be analysed in depth. Although Thomas' concept of law was undoubtedly developed under the influence of the Stoic doctrine as well, it is not in this that one should look for the tools to understand the ontic foundations of human rights and law in general since the Stoic moral philosophy and philosophy of law were developed in the context of a theory of being which assumed monistic and pantheistic premises as foundations, leading to the recognition of a total subor¬dination of the human individual to a larger unity of which man is only a part. The analysis of Plato's and Aristotle's texts concentrates on problems of justice. Plato seems to be the first philosopher who reflected on the formula basic in the history of European thought: to render to each his due. It appears that justice as both a characteristic of man and his acts is understood in the perspective of that which is just, that which is a good for another man - the recipient of the act. The basis for determining what is just is the relation of correspondence between some¬one and something. While in the case of Plato this relation is based on something beyond its terms, namely on ideas, in the case of Aristotle the relation occurs on account of the elements of the relation itself. Something is just when it contributes to the develop¬ment of the recipient of an act realizing that which is just. At the same time, the realization of that which is just is a good for the agent. In the analysis of the just two types of relation are revealed: the relation of due-to-recipient occurring on account of the compatibility of that which is due, with the recipient of the act; and - a "superstructure" - a relation of obligation-of-subject occurring on account of the compatibility of the acting subject with the thing which should be done. The basis for being that which is due is formed by various potentialities of development of man - the recipient of agency; the basis of being that which is an obligation is the possibility of development of the subject of action. Aristotle distinguishes various types of freedom and points to the necessity of taking them into account in the discussion of justice. Among other things, as the core of man's freedom, he considers life for its own sake, which can be seen as his expression of the basic indices of the autotelic character of man - which is funda¬mental for later conceptions of dignity. The freedom which is described by him is not, however, inherent and inalienable; being free is conditioned by a factual possi¬bility of undertaking actions, which are not solely means to the realization of aims set by others. Thomas Aquinas takes over the Aristotelian research perspective both in his conception of man and of law. At the same time, however, he significantly enriches it. In anthropology he develops a conception of personal being. Drawing upon his distinction between existence ("that something is") and essence ("what something is"), he sees the basis for being a person in the dignity of personal being which is a certain way of existence of a rational being more perfect than that of non-personal beings. The person is a being which, by virtue of its act of existence, is individual¬ized in a specific way. It is an aim in itself. Expressing it in a negative way, one may say that it does not exist as a means for the realization of the aims of others and, in this sense, that it is free. As distinct from Aristotelian conclusions, being a person is not conditioned by the specific actions of a being. Dignity is inherent, based on that which is the foundation of the factual existence of every rational being. Although freedom requires that a being is rational, dignity still encompasses all being, all its properties and potentialities. Thus an act conforming with dignity has to take into account a whole human being. Among different types of that which is just, ius, the first place, from the point of view of understanding law, falls to "the just thing itself ("ipsa res justa"), which is right in the full meaning of the word. On the one hand, it is that which is due; on the other hand, it determines the way of acting in the utmost degree, since the course of every act is determined in the fullest extent by its aim. The content of ius may be determined both by elements independent of free decisions - ius naturale - and by free decisions taking into account the state of things - ius positivum. Recognition of the objective structure of being as the basis of law does not entail that it is possible or desirable to determine unequivocally "the only right" patterns of conduct. This concept is very well justified within the system proposed by Saint Thomas. Individualization of being is a significant element of the develop¬ment of a person as a person. It is attained by the realization of individual aims which are not unequivocally determined by circumstances and the nature common to all people. By virtue of free choices made in the sphere of that which is not by its nature unjust, the object of action becomes ius. Since in the realization of the person the individualization of human being is central, Aquinas clearly sees the need for the protection of the sphere of "dominion of will". This sphere itself constitutes ius naturale, something which is due to man independently of the acts of will. Therefore "law should forbid nothing which is not unjust" ("nihil debet lege prohiberi quod licite fieri potest", In 3 Sent., dist. 40, q. I, a. 1, 3). Besides the relation of due-to-recipient, ius also includes the relation of obligation-of-subject which is superimposed on the relation of due-to-recipient. As far as the ontic foundations of obligation are concerned, in explaining why man is subordinated to realization of the good of others, Aquinas generally follows Aristotle in accepting that this basis is the subordination to moral good - to actions conforming with the learned truth about reality. Aquinas' systemic solutions allow, however, to reach deeper and understand why moral development is also a development of the whole human being. This was difficult within Aristotle's system, since he was reluc¬tant to decide whether precedence should be given to intellectual or moral develop¬ment. The inclination to realise good of another appears to be a transcendental characteristic of being, based on its very existence. Morality understood as rational and free subordination to realize the good of another is a specifically personal way of the realization of this inclination. Thus just actions contribute to the actualization of being in the aspect of its existence and therefore to the actualization of being as a whole. Thomas' conception of natural law (lex naturalis) as participation in eternal law (lex aeterna), offers possibilities for grasping that which is just as something which is basically accessible cognition, independently of Revelation and independently of faith in God, and at the same time as something based in eternal law, understood as a design of God's wisdom. Eternal law, embracing all particular actions, is not, from the human perspective, accessible cognition directly. It is enacted in the struc-ture of the created being and - in case of human beings - in free choices taking this structure into account. In the concluding remarks, the results obtained earlier are applied directly to the contemporary conception of human rights. Human rights are understood in the first place as "just things" - concrete goods of man; as that which is due because of subordination, based on dignity, to the personal development of man. That which is just is understood as a relational - actual or potential - state of things, which exists by virtue of existing relations. Evaluations referring to that which is right are true when respective relations of due-to-recipient take place; norms of conduct are true when respective relations of obligation-of-subject take place. Examples of the application of the sketched theory outside the field of human rights are also presented. Procedural consequences of the developed theory are shown, such as the discrimination of two types of legislative procedures which differ significantly in the structure of argumentation: the first aims at recognition of that which is just independently of the will of the legislator, and the second, at making individual or collective "projects" of development compatible. Finally the possibilities of applying the theory to the increasingly important problems of the protection of the environment and the "rights" of animals are mentioned. The central issue is a philosophical conception of man and his freedom and a conception of law. It is also indispensable to turn to a general theory of being. The search for a comprehensive theory of human rights requires attention to the Abso¬lute Being - God - as well. This is important for at least two reasons. First, a conception of the Absolute Being is integral to philosophy of the systemic type -of which the present book is a piece. A conception of the Absolute Being is signifi¬cant for understanding all being, including, first of all, man as a personal being. Second, every theory of human rights which does not comprise the problem of the Absolute may be questioned as to whether solutions adopted in it do not lead, in consequence, to eliminating God from the perspective of the understanding of law. It is desirable that a philosophical theory should deal with this problem directly. A theory which eliminates God from the perspective of the understanding of rights will be unacceptable for all those who, for philosophical reasons or relying on faith, consider God as the author of inherent rights. Nevertheless, a theoretical approach to rights from the perspective of the Absolute Being should only be a possible extension of a philosophical approach which bases rights on something which is cognizable independently of the acceptance of the existence of God so that the theory is also acceptable for those who reject the existence of God or suspend their judgment on this subject. The pursued theory should therefore contain, on the one hand, reference to natural, faith-independent foundations of human rights, but on the other hand, point to a possible extension accounting for the Absolute Being. The analyses contained in this chapter have undoubtedly some historical value since they are based on source texts. Nevertheless, the use of these texts and not critical works was dictated, first of all, by a conviction that analyses embrace a given theory in the aspect selected by the interests of the researcher. Therefore to find out what past thinkers say on the subject characterized in the first part it is simpler to reach to the sources than to adopt the existing critical works. The pre¬sented reconstruction of Aquinas' views on philosophy of law incorporates proposi¬tions of supplementing and developing some of the ideas undertaken by him. Obligation to act in this and not an other way arises because human actions are subordinated to the conformity, on the one hand, of aims realized by these actions and, on the one hand, the order of being determining that which is favourable to man or destroys him. The content of the order of being is, on the one hand, determined by the structure of being independent from man's will and, on the other, by free decisions of man. (shrink)

Building on the system of reason provided for by the Greek philosopher and specifically Aristotle, St. Thomas Aquinas built a comprehensive system and theory of natural law which has lasted through the ages. The theory was further developed in the Middle Ages and in the Enlightenment Ages by many a prominent philosopher and economist and has been recognized in the Modern Age. The natural law-theory and system has been repeatedly applied to the spheres of economic thought and has produced (...) many lasting contributions such as private property rights and individual rights. In recent times with the collapses of the financial system and rapid globalization, there has been a renewed interest in the application of natural law theory to economics to counter a certain anthropology and distortion of values created by a modern economic system of selfpreservation deriving its insights from the philosophies of Thomas Hobbes and Niccolo Machiavelli. (shrink)

This article provides an analysis of how the philosophy of Aristotle and St. Thomas Aquinas, particularly their treatment of the "Problem of the One and the Many," can help inform Sam Harris's attempt to ground ethics in the empirical sciences in his 2010 book The Moral Landscape: How Science Can Determine Human Values. -/- The paper shows how Aristotle and Aquinas's thought can: • Explaining how the sciences are organized and why they will not produce multiple, competing measures of (...) goodness and well-being; • Resolving the “moral paradoxes” that Harris finds himself unable to find a solution to, by demonstrating how the human good essentially involves a “common good,” and how goodness always relates to the whole; • Providing us with a better explanation for why selfless behavior is good and why it is “good for us” to be virtuous; • Providing Harris with a better definition of freedom as self-determination; and • Showing how neither a recognition that the sciences must play a major role in ethics, nor naturalistic explanations of human behavior, need to preclude our orientation towards a transcendent good. (shrink)

Although the question of whether, in the thought of Thomas Aquinas, sanctifying grace is “created” or “uncreated” has received considerable attention in the last several decades, many of the questions and arguments proposed by those, such as Karl Rahner, Jerome Ebacher, and A.N. Williams, in favor of grace being uncreated have gone unanswered. Among these ancillary questions and arguments are those concerning the proper subject of grace, the categorial classification of grace, and the reason for the mystery and unconsciousness (...) of grace. These questions appear unrelated, but, as this paper argues, they are each logically connected to each other and to the overall thesis that sanctifying grace is created, not uncreated. This paper aims to make Aquinas’s thesis that grace is created more palatable to objectors by addressing each of these previously unaddressed ancillary questions. (shrink)

Hylomorphism is a metaphysical theory that accounts for the unity of the material parts of composite objects by appeal to a structure or ‘form’ characterizing those parts. I argue that hylomorphism is not merely a plausible or appealing solution to problems of material composition, but a position entailed by any coherent metaphysics of ordinary material objects. In fact, not only does hylomorphism have Aristotelian defenders, but it has had independent lives in both East and West. -/- I review three contemporary (...) hylomorphic theories appeal to ‘structure’ to explain the unity of material objects. Each, however, accepts a controversial principle: that substances can have other substances as proper parts. Such a principle is implausible and severely threatens the coherence of the theory. -/- I begin by showing that Thomas Aquinas’ account of form, which does not accept that substances can have other substances as parts, gives us a more coherent version of hylomorphism. Then I argue Zhu Xi, a Song dynasty Confucian thinker, developed a non-Aristotelian hylomorphism. Unlike Aristotelians, Zhu Xi’s metaphysics was formed in opposition to Buddhist versions of skepticism and gives us reasons to think that anyone who holds a view of objects stronger than Buddhists is committed to forms. In conclusion, I show directly, by appeal to some of those same considerations from Zhu Xi, why it is that all those who believe there are unified material objects will appeal to something like a substantial form. The traditional hylomorphic picture of material composition, then, remains a plausible framework for contemporary metaphysicians – and for good reason. (shrink)

Identity-Over-Time has been a favorite subject in the literature concerning Thomas Aquinas. Aquinas addresses this issue in many discussions, including especially the identity of material things and artifacts, the identity of the human soul after the corruption of body, the identity of the body of Christ in the three days from his death to his resurrection and the identity of the resurrected human body at the end of time. All these discussions have a point in common: they lead Aquinas (...) to raise the question of Identity-Over-Time with respect to things that fully exist in act, i.e., things that possess an identity of their own and change some of their parts or properties over time while continuing to be what they are. In this article, I investigate this topic from a different angle, considering the case of the trans-temporal identity of things that do not yet have an identity of their own or fully exist in act. The case at stake is that of the identity of the human embryo through the process of human generation. It is a puzzle that Aquinas seems to have some difficulties to solving, given his account of human embryogenesis as a process that alternates generations and corruptions of the subject. At the same time, though, Aquinas does not want to renounce the idea that the subject of generation must be numerically one and the same throughout all the process. In order to solve this puzzle, Aquinas seems to suggest distinguishing the identity of the subject from the identity of its matter and/or form. At given conditions, a thing can even change its matter and form while continuing to be the same thing in number. Specifically, the numerical identity of the subject of generation is justified by the identity entailed by the metaphysical notions of potency and act. (shrink)

In this paper I argue that, contrary to what one might think, early modern rationalism displays an increasing and well-grounded sensitivity to certain metaphysical questions substantial form was designed to answer—despite the fact that the notion itself was in such disrepute, and emphatically banished from natural philosophy. This main thesis is established by examining the thought of Descartes, Spinoza, and Leibniz through the framework constituted by what have been designated as the two aspects, metaphysical and physical, of substantial (...) form. This examination shows that Descartes ends up assigning to soul a notable metaphysical task formerly assigned to substantial form, whereas Spinoza advances a theory of essences motivated by the philosophical concerns behind the two aspects of substantial form. Leibniz finally makes a sharp distinction between natural philosophy and metaphysics as he develops a dynamistic theory that deliberately aims at understanding substantial form in a new fashion. This line of development is designated as one major factor contributing to the separation of philosophy and natural science. (shrink)

Hylomorphism provides an explanation of material composition: the material parts, the Xs, will compose a whole, a Y, belonging to a given natural kind, when those parts are characterized by a substantial form. While there are a number of those who hold that each human person is identical with a human animal – ‘animalists’ – most of these are not hylomorphists. One could worry that hylomorphism contributes little unique to debates about personal identity, collapsing into either a form of (...) property dualism or substance dualism. What I aim to do is apply a robust and classical hylomorphic account of persons (derived from Thomas Aquinas) to two contemporary problems, illustrating the way in which hylomorphic metaphysics can offer elegant solutions to tricky situations posed against animalists. Specifically, I will propose that hylomorphic animalism can help provide principled resolutions to worries that seem to undermine animalist intuitions which are raised by ‘brain transplant’ or ‘remnant person’ scenarios. Hylomorphism can capture the advantages of ‘hybrid’ animalist responses without the cost of denying a singular, biological criterion of personal identity. Further, hylomorphism provides a distinctive upshot for Christian theologians and the moral positions that they want to affirm by rendering morally anodyne apparent epistemic difficulties in identifying personal identity over time. (shrink)

The article begins with an inquiry on St. Thomas Aquinas' theological framework of God in the Summa Theologica, as seen through the lenses of Pseudo Dionysius and Proclus Lycaeus, in the Light of Plato's dialectical exploration of the One in the Parmenides. We proceed to the similarities and differences between St. Thomas Aquinas’ theology and Plato’s philosophy in terms of the means through which the soul ascends towards the highest vision. Ideas of thinkers such as Democritus, Aristotle, Iamblichus, (...) Thomas Taylor, Friedrich Nietzsche and Martin Heidegger supported or provided counter arguments regarding these matters. The essay raises a significant question pertaining to the relationship between Plato’s thought with that of St. Thomas Aquinas’. (shrink)

Through an analysis of a part of Thomas’ arguments on the rational soul’s subsistence, the article exposes the reasons why it is necessary and possible to affirm that the human soul is a substance in its proper sense, even if it does not have the entire human essence when it subsists apart from the body. Thus the article intends to answer a question raised by B.C. Bazán. The analysis is articulated applying the principle nihil agit nisi secundum quod est (...) actu in different ways in order to make explicit the reason why the soul is the suppositum of intellectual operations and faculties and therefore a substance; then the article reaffirms that the substantial form’s definition is related to the act of being in order to distinguish the “virtual” way in which any substantial form has the entire species, from the “real” way in which any substance has an entire substantial essence. (shrink)

This work contends that the metaphysical understanding of the human person, simply as a rational and free being is incomprehensive, and for a comprehensive understanding of the human person, there is a need to understand the human person as a conscious being in action and in relationship within and without itself due to the shared consciousness of 「仁。」To guide this philosophical investigation, the writer posits the research question: How can the philosophy of Karol Wojtyła on the human person help to (...) deepen the understanding of the Confucian philosophy of person as 「仁者」? Thus, in this research the writer has three main tasks. The first task is to substantially investigate and expound the philosophical anthropology of Karol Wojtyła. The second task is to investigate and expose the Confucian concept of 「仁。」The third task is to discourse the human person by the means of a re-interpretation of the concept of 「仁者」as the Wojtyłian concept of “Person-revealed-in-Action.” So, the entire Part One of this work, is aimed at achieving the first task, and the entire Part Two, is aimed at achieving the second and the third tasks of the investigation. The Philosophical anthropology of Karol Wojtyła, is substantially influenced by the philosophy of Thomas Aquinas, and the Philosophy of Max Scheler. Hence, the writer creates the background for the exposition of Karol Wojtyła’s philosophical anthropology by presenting a discourse on Thomas Aquinas and Max Scheler. And to understand the concept of persona in Thomas Aquinas there is a need to discuss the philosophical anthropology of Socrates-Plato, Aristotle and Boethius. On the other hand, to understand the phenomenology of Max Scheler, which Karol Wojtyła employed in his analysis of human experience and action, the writer briefly exposes the phenomenology of Edmund Husserl the founder of phenomenological movement and the phenomenology of Heidegger the student of Husserl and the contemporary of Max Scheler. Hence, the writer considers an exposition of the concept of 「仁，」from the perspective of textual analysis of the meaning of 仁 as it is found in three classical text: 《 論語》, 《中庸 》and《孟子》. These three Confucian classics all consider 「仁」as not just an important concept in Confucianism, but as the concept that defines the human person, as the quiddity of the human person. The writer therefore, synthesizes Wojtyła’s concept of “person-revealed-in-action”, and the Confucian concept of 「仁者，」to affirm a philosophy of person that is indeed wholistic and comprehensive. This philosophy of person, the writer gives the name: “Jenism.” “Jenism” then, is the concept of the human person (人) understood from a synthesis of the Wojtyłian concept of human action and the Confucian understanding of 「仁。」This understanding of the human person, does not only explain the metaphysical quiddity of the human person, but also explains the specific difference of the human life. The writer, therefore, is persuaded to think that a philosophy of person has been developed that is capable of responding to the philosophical anthropological problematics of our contemporary times. Especially, with problematics that are related to Ethics, Bioethics, Human Dignity and Artificial Intelligence. (shrink)

In “An introduction to phytosemiotics”, a masterwork of integration, Kalevi Kull defended Martin Krampen’s notion of phytosemiotics. In doing so, he developed the notion of vegetative semiosis. In a later work, he argued that vegetative semiosis is not a branch of semiotics, and so should not be identified with phytosemiotics. Rather, vegetative semiosis is a basic form of semiosis and the condition for animal semiosis, which in turn is the condition for cultural semiosis. All multi-celled organisms, including plants, animals and (...) humans, are characterized by vegetative semiosis. While clearly influenced by Aristotle (and Thomas Aquinas), this characterization of vegetative semiosis makes it easier to relate biosemiotics to current science, to integrate current science into biosemiotics, and thereby to greatly expand the research potential of biosemiotics. (shrink)

Much of the debate about Aristotle’s criticisms of Plato has focused on the separability of the Forms. Here the dispute has to do with the ontological status of the Forms, in particular Plato’s claim for their ontological priority in relation to perceptible objects. Aristotle, however, also disputes the explanatory and causal roles that Plato claims for the Forms. This second criticism is independent of the first; even if the problem of the ontological status of the Forms were resolved to Aristotle’s (...) satisfaction, this second criticism would still stand. The problem here is not that there is no room for Aristotle’s four causes in Plato’s ontology; on the contrary, antecedents for all four can be found in Plato’s works. The problem, instead, is that Plato’s Forms fail to meet the general requirements that Aristotle sets out for the material, efficient, formal, and final causes of perceptible objects. Hence, even if the Forms were immanent in perceptible objects, they would still explain nothing about them. (shrink)

When Bruno was burned at the stake in 1600, philosophers were still inclined to offer natural explanations in Aristotelian terms. Neither the physical proposals of Bruno himself, nor those of other prominent non-Aristotelians like Paracelsus had diminished the power of the explanatory model offered by the scholastics. For those philosophers watching the demise of Bruno in the Campo dei Fiori in Rome, the burning of the wood and its subsequent effects would have been explained adequately in terms of matter and (...) substantial form. For such Aristotelian philosophers, all natural objects are constituted of matter and form, and natural events are explained in terms of the actualization of the potency of these two “principles of nature.” By the time Kenelm Digby composed his Two Treatises of 1644 and Thomas Hobbes his De Corpore in 1655, there was a new explanatory model available to explain such events, one that had greatly diminished the power of the scholastic model. According to the mechanical philosophy, nature is composed of matter—whether the res extensa of Descartes, the atoms of Gassendi, or one of the many less popular accounts of corporeity—whose actions and interactions cause and explain all the phenomena of nature. For the mechanist, therefore, all physical phenomena are to be explained in terms of some kind of matter and motion. Although these thinkers disagreed about how to define the material component in nature, they all took it to be entirely devoid of substantial forms. For our purposes here, it will be helpful to distinguish between first wave and second wave mechanists. A first wave mechanist is someone like Descartes, Galileo, Hobbes, or Gassendi who proposed a version of the mechanical explanatory model before 1650. A second wave mechanist is a philosopher working in the second half of the seventeenth century who accepts the mechanical explanatory model. For our purposes, it is important that many second wave mechanists were prepared to reject the scholastic explanatory model, replace it with the mechanical one, and yet were not content to accept the metaphysical grounding of the mechanical physics offered by the first wave mechanists. (shrink)

-/- Did the US president who signed the order to use the atomic bomb stain his hands with blood or just ink? Are there cases in which a war is just? In such cases, is any war justifiable? Is ending the life of a terminally ill person different from murder? Do we need to agree on the definition of the embryo as a 'person' to know whether any action on the embryo is prohibited? Is the prohibition of contraception justified even (...) if it is perfectly legitimate to plan births? Anscombe, taking up Wittgenstein, Aristotle and Thomas Aquinas, elaborates a theory of action that places "intention" at the centre, an alternative to the conception of action dominant since Descartes. On this basis, he conducts an indictment against the superficiality of modern moral philosophy, lumping together the Oxford philosophers, utilitarianism and Kantian ethics. And finally, she puts her virtue ethics to work on problems of applied ethics: in the field of public ethics, the just war; in the field of bioethics, questions of the end of life and the beginning of life. This book, edited by Sergio Cremaschi, brings together Anscombe's contributions on ethical issues, allowing for the first time a comprehensive overview of this decisive figure's contribution to twentieth-century philosophy. (shrink)

It is universally acknowledged that, for St. Thomas, there is a distinction between human persons or supposits and their natures or essences. But it is usually thought that there is no parallel distinction between the angelic person or supposit and its nature. Yet, as this paper argues, Aquinas consistently puts forward just such a distinction. This paper surveys Aquinas’s arguments for the unique identity of God with his essence and the corresponding distinctions between created persons and their essences, showing (...) in the process how the distinction found in angels differs from that found in material substances. It is important to recognize the distinction between supposit and nature in angels not only for its own sake as it touches on his understanding of created persons—human or angelic—but also insofar as it sheds light on Aquinas’s understanding of divine simplicity and of other act-potency compositions in creatures. (shrink)

In In V Metaphysics, lec. 9, Aquinas distinguishes between “being by accident” (ens per accidens) and “being by itself” (ens per se) and includes the nine accidental categories under the latter. But isn’t substance a being per se while accidents are, by definition, accidental beings? Several authors—including Ralph McInerny, Paul Symington, and Greg Doolan—have offered explanations of this strange classification. Drawing on an overlooked parallel text in the Posterior Analytics commentary and on Aquinas’s critique of Avicenna’s understanding of accidental denominatives, (...) this paper presents an alternative explanation of the lecture. In the process, it clarifies how Aquinas views the relation of the ten categories to predication and suggests important implications for how we should understand the analogy of being and the phrase “substantial being” (esse substantiale). -/- [Winner of the Leo Elder's Junior Scholar Essay Contest (2024)]. (shrink)

Multiplicity of Beings according to Saint Thomas Aquinas is a book that aimed to find an explanation of beings' diversity on the grounds of the metaphysical intrinsic principles of beings identified by Aristótle. Are matter and form causes of identity, individuation and diversity of substances? Aquinas answers this question by means of some demonstrations grounded on the very nature of matter and form, in the line of the doctrines contained in book 7 of the Aristotle's Metaphysics.

‘Performative’ transcendental arguments exploit the status of a subcategory of self-falsifying propositions in showing that some form of skepticism is unsustainable. The aim of this paper is to examine the relationship between performatively inconsistent propositions and transcendental arguments, and then to compare performative transcendental arguments to modest transcendental arguments that seek only to establish the indispensability of some belief or conceptual framework. Reconceptualizing transcendental arguments as performative helps focus the intended dilemma for the skeptic: performative transcendental arguments directly confront the (...) skeptic with the choice of abandoning either skepticism or some other deep theoretical commitment. Many philosophers, from Aristotle and St. Thomas Aquinas to Jaakko Hintikka, C.I. Lewis, and Bernard Lonergan, have claimed that some skeptical propositions regarding knowledge, reason, and/or morality can be shown to be self-defeating; that is to say, they have claimed that the very upholding of some skeptical position is in some way incompatible with the position being upheld, or with the implied, broader dialectical position of the skeptic in question. Statements or propositions alleged to have this characteristic also sometimes are called ‘self-falsifying,’ ‘self-refuting,’ ‘self-stultifying,’ ‘self-destructive,’ or ‘pointless.’ However, proponents of the strategy of showing skepticism to be self-defeating have not in general adequately distinguished between two types of self-defeating proposition: self-falsifying and self-stultifying. In the first part of this paper I distinguish between self-falsifying and self-stultifying propositions, and introduce the notion of performative self-falsification. In the second part I discuss classical transcendental arguments, ‘modest’ transcendental arguments, and objections to each. In the third part I introduce two types of transcendental argument—each labeled “performative”—corresponding to two types of performatively self-falsifying proposition, and I compare them to modest transcendental arguments. (shrink)

I consider a new, non-disjunctive strategy for ‘relational’ or ‘naïve realist’ theories to respond to arguments from ‘perfect’ (causally matching) hallucinations. The strategy, in a nutshell, is to treat such hypothetical cases as instances of perception rather than hallucination. After clarifying the form and dialectic of such arguments, I consider three objections to the strategy. I provide answers to the first two objections but concede that the third — based on the possibility of ‘chaotic’ (uncaused) perfect hallucinations — cannot obviously (...) be dealt with by the proposed strategy. However, such ‘chaotic’ scenarios are also problematic for standard representational accounts of experience. Thus I conclude that perfect hallucinations pose no more of a threat to the relational theory than to its main representational rival. (shrink)

“Classic,” serotonergic psychedelic drugs such as LSD and psilocybin are the objects of renewed attention in science and psychiatry. A recent spate of research has produced evidence that psychedelics might be safe and effective adjuncts to the treatment of mood and addictive disorders, agents of positive psychological change in healthy subjects, and valuable tools for studying the neural mechanisms of perception and cognition. This chapter surveys three philosophical debates that have arisen in response to this “renaissance” of psychedelic research. The (...) first concerns the mechanisms of psychedelic-assisted psychotherapy (“psychedelic therapy”): How, exactly, does psychedelic administration in controlled conditions cause lasting psychological benefits? The second concerns the implications of psychedelic research for the philosophy of mind: Does psychedelic evidence show that there can be conscious mental states lacking all forms of self-consciousness? The third concerns the epistemic status of the psychedelic state: Is it possible that certain kinds of knowledge, or other epistemic benefits, could be gained by undergoing a psychedelic experience? (shrink)

Mark Eli Kalderon presents an original study of perception, taking as its starting point a puzzle in Empedocles' theory of vision: if perception is a mode of material assimilation, how can we perceive colors at a distance? Kalderon argues that the theory of perception offered by Aristotle in answer to the puzzle is both attractive and defensible.

Concerns around Generative Artificial Intelligence (GenAI) in higher education have so far largely centred on assessment integrity, resulting in fundamental questions about students’ broader engagement with these tools remaining underexplored. This paper reports on the findings of a survey that forms part of a wider study, comprising the first empirical investigation of GenAI use by university students as a method of engaging with their academic readings. Our survey of 101 students shows that over half of all students surveyed used GenAI (...) to some degree as a method of engaging with their unit readings. Our findings suggest that students turn to these tools in response to time constraints and conceptual difficulties, while maintaining complex attitudes toward their use: most welcome their availability, yet few report trusting or relying on GenAI-generated interpretations or summaries of texts. Importantly, our data reveals substantial demographic variations in usage patterns, with international students and those taking subjects as electives showing significantly higher rates of AI use to assist with reading. This suggests GenAI tools may be serving as important mediators for attempting to overcome epistemic barriers to learning, particularly for students who face additional linguistic or disciplinary challenges. (shrink)

In this paper we propose a formal theory of partitions (ways of dividing up or sorting or mapping reality) and we show how the theory can be applied in the geospatial domain. We characterize partitions at two levels: as systems of cells (theory A), and in terms of their projective relation to reality (theory B). We lay down conditions of well-formedness for partitions and we define what it means for partitions to project truly onto reality. We continue by classifying well-formed (...) partitions along three axes: (a) degree of correspondence between partition cells and objects in reality; (b) degree to which a partition represents the mereological structure of the domain it is projected onto; and (c) degree of completeness and exhaustiveness with which a partition represents reality. This classification is used to characterize three types of partitions that play an important role in spatial information science: cadastral partitions, categorical coverages, and the partitions involved in folk categorizations of the geospatial domain. (shrink)

The idea that appearances provide justifications for beliefs—the principle of phenomenal conservatism—is self-evidently true. In the case of cognitive penetration, however, it seems that certain irrational etiologies of a belief may influence the epistemic quality of that belief. Susanna Siegel argues that these etiologies lead to ‘epistemic downgrade.’ Instead of providing us with a decisive objection, cognitive penetration calls for us to clarify our epistemic framework by understanding the formative parts of appearances. In doing so, the two different but inseparable (...) ideas of sensation and intellection provide us with a basis of our appearances. These appearances, in turn, provide us with the objective evidence needed to test our judgements. Thus, the extra-sensory concepts of intellectual identification and the appearances they help form become an epistemic groundwork. (shrink)

St. Thomas’s Third Way to prove the existence of God, “Of Possibility and Necessity” (ST 1, q.2, art. 3, response) is one of the most controverted passages in the entire Thomistic corpus. The central point of dispute is that if there were only possible beings, each at some time would cease to exist and, therefore, at some point in time nothing would exist, and because something cannot come from nothing, in such an eventuality, nothing would exist now—a reductio ad (...) absurdum conclusion. Therefore, at least one necessary being must exist. Generations of critics and defenders have contended over St. Thomas’s proof. This article argues that the principle of pros hen analogy is implicit in the Third Way and that once identified explains the ontological dependency of possible beings, as secondary analogates, on the first necessary being, as primary analogate. Thus, without the necessary being as primary analogate, possible beings simply could not exist. The fact that they do exist is evidence for the existence of the necessary being. St. Thomas makes synthesizes the principle of pros hen analogy, as found in Aristotle’s Metaphysics, with the Neoplatonic principle of participation. Aristotle develops pros hen analogy in contradistinction to univocal and equivocal predication as well as to genus in Metaphysics 4.2, 11.3, 12.3-5. Since Scotus and re-enforced by modern analytic logic, philosophers have almost universally regarded any kind of analogical predication as a sub-category of equivocal predication and, thus, implicitly occlude the possibility of considering pros hen analogy in their readings of the Third Way. Distinction of per se and per accidens infinite regress and of radical and natural contingency are also central to understanding the Third Way. While resolving apparent problems in the Third Way, the article also seeks to rehabilitate the doctrine of pros hen analogy as a basic principle in Thomistic and, indeed, Aristotelian metaphysics. (shrink)

The rapidly declining biosphere integrity, representing one of the core planetary boundaries, is alarming. One of the most widely accepted measures to halt the rate of biodiversity loss is to maintain and expand protected areas that are effectively managed. However, it requires substantial finance derived from nature-based tourism, specifically visitors from urban areas. Using the Bayesian Mindsponge Framework (BMF) on 535 Vietnamese urban residents, the current study examined how their biodiversity loss perceptions can affect their willingness to pay for (...) the entrance fee and conservation in protected areas. We found that perceived environmental degradation, loss of economic growth, loss of nature-based recreation opportunity, and loss of knowledge as consequences of biodiversity loss has indirect effects on paying willingness through the mediation of the attitude towards conservation. Especially, the perceived knowledge loss also has a direct positive influence on the willingness to pay for the entrance fee and conservation. In contrast, perceived loss of health is negatively associated with the attitude towards conservation. Based on these findings, we suggest that building an eco-surplus culture among urban residents can be a promising way to generate more finance from nature-based tourism for conservation in protected areas and ease the domestic government's and international organizations' funding allocations problems. (shrink)