RESUMO A alimentação é o fator que mais onera um sistema de produção animal. Assim, a utilização de diferentes estratégias de alimentação dos animais ainda é o grande desafio da nutrição animal, principalmente, levando em consideração as exigências nutricionais de diferentes categorias de ruminantes, em especial bovinos em regiões tropicais, haja vista que a sazonalidade na produção de forragens afeta diretamente a produção bovina, promovendo inadequação no atendimento das exigências nutricionais dos animais principalmente em minerais e vitaminas. Uma alimentação que (...) não atenda as exigências nutricionais dos ruminantes gera prejuízos no sistema de produção, além de, em casos mais graves, ocasionar a perda do animal. Estudos que abordam o efeito e a importância de vitaminas e minerais na nutrição bovina são escassos e necessários. Recentemente a National Research Council (NRC) apresentou novos registros das exigências nutricionais das vitaminas e minerais. Essas alterações proporcionam um impacto econômico significativo em relação à nutrição animal. Nesse sentido, objetivou-se com esta revisão trazer informações acerca de vitaminas e minerais na nutrição de bovinos em pastejo. -/- Palavras-chave: Alimentação animal; forragem; pastagem; requerimentos nutricionais; ruminantes; vitaminas lipossolúveis (Source: AGROVOC). -/- ABSTRACT Animal feed is the factor that most burdens a production system. Thus, the use of different animal feeding strategies is still the great challenge of animal nutrition, taking into account the nutritional requirements of different categories of ruminants, especially cattle in tropical regions, given that seasonality in forage production directly affects cattle production, promoting inadequacy in meeting the nutritional requirements of animals, mainly in minerals and vitamins. A diet that does not meet the nutritional requirements of ruminants generates losses in the production system, in addition to, in more serious cases, causing the loss of the animal. Studies that address the effect and importance of vitamins and minerals in bovine nutrition are scarce and necessary. Recently the National Research Council (NRC) presented new records of the nutritional requirements of vitamins and minerals. These changes provide a significant economic impact on animal nutrition. In this sense, the objective of this review was to bring information about vitamins and minerals in the nutrition of grazing cattle. -/- Keywords: Animal feeding; fat soluble vitamins; forage; nutritional requirements; pasture feeding; ruminants (Source: AGROVOC). -/- REFERÊNCIAS BIBLIOGRÁFICAS -/- 1. Cavalcanti CPL, Silva e Macedo TJ, Gois GC, Menezes VG, Monte APO, Silva AD, Silva DJM, Silva EO, Araújo GGL, Rodrigues RTS, Wischral A, Matos MHT, Queiroz MAA. 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A review of vitamin D and its importance to the health of dairy cattle. J Dairy Res. 2020; 87:84–87. 50. Alves EM, Pedreira MS, Santana CA, Silva FF. Nutrição vitamínica de vacas leiteiras. Pubvet. 2008; 2:1-17. 51. Jiang Q, Lin L, Xie F, Jin W, Zhu W, Wang M, et al. Metagenomic insights into the microbe-mediated B and K2 vitamin biosynthesis in the gastrointestinal microbiome of ruminants. Microb. 2022; 10:1-16. 52. Magan JB, O’Callaghan TF, Zheng J, Zhang L, Mandal R, Hennessy D, et al. Effect of diet on the vitamin B profile of bovine milk-based protein ingredients. Foods. 2020; 9:1-17. 53. Pinedo LA, Berenchtein B, Selem ASMA. Estudo dos processos bioquímicos da fermentação, degradação e absorção de nutrientes dos alimentos em ruminantes. Pubvet. 2008; 2:1-10. 54. DA SILVA, Emanuel Isaque Cordeiro. Formulação e Avaliação de Suplemento Mineral Para Caprinos. Instrução Técnica Para o Produtor Rural de Pernambuco, v. 3, n. 1, p. 1-4, 2023. 55. DA SILVA, Emanuel Isaque Cordeiro. Nutrição Sobre a Reprodução e Fertilidade dos Bovinos. Emanuel Isaque Cordeiro da Silva, 2021. 56. DA SILVA, Emanuel Isaque Cordeiro. Suplementação e formulação de sal mineral e mistura múltipla para bovinos. Revista Universitária Brasileira, v. 2, n. 1, 2024. (shrink)

We present a game mechanic called pseudo-visibility for games inhabited by non-player characters (NPCs) driven by reinforcement learning (RL). NPCs are incentivized to pretend they cannot see pseudo-visible players: the training environment simulates an NPC to determine how the NPC would act if the pseudo-visible player were invisible, and penalizes the NPC for acting differently. NPCs are thereby trained to selectively ignore pseudo-visible players, except when they judge that the reaction penalty is an acceptable tradeoff (e.g., a guard might accept (...) the penalty in order to protect a treasure because losing the treasure would hurt even more). We describe an RL agent transformation which allows RL agents that would not otherwise do so to perform some limited self-reflection to learn the training environments in question. (shrink)

Several areas of welfare economics seek to evaluate states of affairs as a function of interpersonally comparable individual utilities. The aim is to map each state of affairs onto a vector of individual utilities, and then to produce an ordering of these vectors that can be represented by a mathematical function assigning a real number to each. When this approach is used in intertemporal contexts, a central theoretical question concerns the evaluative weight to be applied to utility coming at different (...) times. This question concerns the rate of pure time preference, which is one key determinant of the social discount rate. This article argues that the standard philosophical account of pure time preference is mistaken, because it ascribes to economists a methodological commitment they need not, and often do not, accept. This in turn undercuts the most common philosophical objection to pure time preference, which traces at least to Rawls’s A Theory of Justice. The article then evaluates three further objections to pure time preference, concluding that it might still be defensible under certain circumstances. The article closes by articulating a final argument that is suggested by the “Social, Economic and Ethical Concepts and Methods” chapter of the most recent Intergovernmental Panel on Climate Change report. If this further argument is sound, it would constitute a decisive objection to pure time preference as it currently figures in much intertemporal welfare economics. (shrink)

Interpersonal aggregation involves the combining and weighing of benefits and losses to multiple individuals in the course of determining what ought to be done. Most consequentialists embrace thoroughgoing interpersonal aggregation, the view that any large benefit to each of a few people can be morally outweighed by allocating any smaller benefit to each of many others, so long as this second group is sufficiently large. This would permit letting one person die in order to cure some number of mild headaches (...) instead. Most non-consequentialists reject thoroughgoing interpersonal aggregation despite also believing it is permissible to let one person die in order to prevent many cases of paraplegia instead. Non-consequentialists defend this asymmetry largely on the basis of intuition, and some rely on the notion of relevance to formalize the grounding intuitions. This article seeks to clarify and strengthen the non-consequentialist notion of relevance by engaging with three objections to it. (shrink)

Much of the philosophical literature on health inequalities seeks to establish the superiority of one or another conception of luck egalitarianism. In recent years, however, an increasing number of self-avowed egalitarian philosophers have proposed replacing luck egalitarianism with alternatives that stress the moral relevance of distinct relationships, rather than the moral relevance of good or bad luck. After briefly explaining why I am not attracted to luck egalitarianism, I seek in this chapter to distinguish and clarify three views that have (...) been characterized in the philosophical literature as forms of relational egalitarianism. I call these three relational views equality of treatment, equality of concern, and social egalitarianism. I will explain why each claims to be a form of egalitarianism and why these three views should not be seen as competitors. I will argue that each brand of relational egalitarianism describes a plausible plank of distributive justice that bears on the evaluation of health inequalities and on the political institutions that create, sustain, or exacerbate them. To illustrate this pluralistic relational egalitarian approach, I will draw on a case study by Horton and Barker (this volume) to discuss how each of the three planks might be brought to bear on the evaluation of oral health disparities among the children of migrant Latino farmworkers in California. (shrink)

Growing-Block theorists hold that past and present things are real, while future things do not yet exist. This generates a puzzle: how can Growing-Block theorists explain the fact that some sentences about the future appear to be true? Briggs and Forbes develop a modal ersatzist framework, on which the concrete actual world is associated with a branching-time structure of ersatz possible worlds. They then show how this branching structure might be used to determine the truth values of future contingents. (...) They point out three different ways of interpreting the logical connectives, which give rise to three different logics of the open future: one supervaluationist, one corresponding to Lukasiewicz's strong Kleene logic, and one intuitionist. (shrink)

Future robots should have common sense about the world in order to handle the problems they will encounter. A large part of this commonsense knowledge must be naive physics knowledge, since carrying out even the simplest everyday chores requires familiarity with physics laws. But how should one start codifying this knowledge? What kind of skills should be elicited from the experts (each and every one of us)? This paper will attempt to provide some hints by studying the mental models of (...) force and motion. (shrink)

In this paper, I shall defend two main claims. First, Friedman’s famous paper “On the methodology of positive economics” (“F53”) cannot be properly understood without taking into account the influence of three authors who are neither cited nor mentioned in the paper: Max Weber, Frank Knight, and Karl Popper. I shall trace both their substantive influence on F53 and the historical route by which this influence took place. Once one has understood these ingredients, especially Weber’s ideal types, many of F53’s (...) astonishing sentences like “the more significant the theory, the more unrealistic the assumptions”, make good sense. Second, I shall claim that the much-discussed question whether Friedman’s essay espouses an instrumentalist or a realist position, is the wrong question to be asked. I shall illustrate that by a comparison with examples from physics in which also unrealistic assumptions are made. Also there, the question whether these assumptions are indicators of instrumentalism or realism is not appropriate. Cleared from these misunderstandings, F53 presents itself as an interesting and reasonable but much less controversial contribution to the methodology of economics. (shrink)

A commentary on “Making the Case for Health‐Enhancing Laws after Bloomberg,” in the January‐February 2014issue.

We show that five important elements of the ‘nomological package’— laws, counterfactuals, chances, dispositions, and counterfactuals—needn’t be a problem for the Growing-Block view. We begin with the framework given in Briggs and Forbes (in The real truth about the unreal future. Oxford studies in metaphysics. Oxford University Press, Oxford, 2012 ), and, taking laws as primitive, we show that the Growing-Block view has the resources to provide an account of possibility, and a natural semantics for non-backtracking causal counterfactuals. We (...) show how objective chances might ground a more fine-grained concept of feasibility, and furnished a places in the structure where causation and dispositions might fit. The Growing-Block view, thus understood, provides the resources to explain the close link between modality and tense, so that it predicts modal change as time passes. This account lets us capture not only what the future might hold for us, and also what might have been. (shrink)

A New Route to the Necessity of Origin’, Guy Rohrbaugh and Louis deRossett argue for the Necessity of Origin in a way that they believe avoids use of any kind of transworld constitutional sufficiency principle. In this discussion, we respond that either their arguments do imply a sufficiency principle, or else they entirely fail to establish the Necessity of Origin.

We propose in this article some new elements for the interpretation of Heraclitus' doctrine, concerning in particular the role of the opposition of contraries as generator of harmony, that results from Fragments 8DK and 51DK. This interpretation is based on the conceptual tool of matrices of concepts. After having described the basic elements that govern the latter, we set out to define in this conceptual framework the notions of opposition and contrary, as well as of harmony. This allows us to (...) give an interpretation and also a justification of Heraclitus' specific doctrine, according to which the opposition of opposites generates harmony. (shrink)

This dissertation is a critical examination of Kant's use of the notion of "moral progress" throughout all of his writings. The dissertation is divided into two sections. The first looks at Kant's analysis of history and teleology. I argue, against many commentators, that Kant is already aware of the limitations of the concept of teleology with the writing of the first Critique, and thus his important notion of moral progress does not go beyond the bounds set by the first Critique, (...) nor is it merely a misconstrued notion of teleology which is eliminated with the third Critique. ;In the first section I make three main points. First, I argue that Kant gives us two locations for the highest good: in an afterlife and on earth. I argue that we ought to take this division and its implications seriously. Second, I argue that Kant uses the notion of moral progress as a postulate of pure practical reason, necessary for the defense of a highest good on earth. Third, I show that there is a strong connection between moral progress and politics, arguing that political institutions are a necessary but not sufficient condition for moral progress. ;The second section is constructive, attempting to show exactly how this notion of moral progress operates in Kant's philosophy. In the first half, I present an intensive analysis of Kant's concept of the highest good, several problems with its conceivability, and its link between morality and politics. Next, I outline what I take to be the five steps involved in moral progress. In the last chapters I argue that the notion of moral progress is indeed a necessary postulate of practical reason given the rest of Kant's philosophical system. I conclude by showing how my interpretation strengthens Kant's position and gives new insight to his understanding of political theory. (shrink)

This paper focuses on Elizabeth Anderson’s application of the epistemological idiom of mētis to the debate over the equal status of indigenous knowledge and scientific knowledge in the academic curriculum. Against the denial of this equal status by critics of indigenous knowledge or science, Anderson defends what one might term a conciliatory view, the view, roughly, that indigenous knowledge meets the criteria of scientific knowledge presupposed by the critics of the equal status of indigenous knowledge and scientific knowledge in the (...) academic curriculum, and it is continuous with agroecological form of mainstream scientific inquiry. I argue that the conciliatory view does not rest substantively on mētis as an epistemological idiom since the view is based on the direct conceptual relation between the notion of indigenous knowledge and the notion of scientific knowledge or inquiry. More importantly, the view amounts to appealing to the critics of the equal status of indigenous knowledge on the terms of those critics and leaves unchallenged those very core assumptions that ground their denial of the equal status of indigenous knowledge in the first place. Building on her fruitful analysis of mētis, I attempt a sketch of an alternative view that vindicates the equal status of indigenous knowledge and scientific knowledge in the academic curriculum, but which avoids those drawbacks. (shrink)

In the replies to my critics that follow I offer a more detailed account of the specific papers that they discuss or examine. The papers that they are especially concerned with are: “The Material World and Natural Religion in Hume’s Treatise” (Ryan) [Essay 3], “Hume’s Skepticism and the Problem of Atheism” (Fosl) [Essay 12], and “Hume’s Philosophy of Irreligion and the Myth of British Empiricism (Gautier) [Essay 16].

Recasting Hume and Early Modern Philosophy is a collection of essays that are all concerned with major figures and topics in the early modern philosophy. Most of the essays are concerned, more specifically, with the philosophy of David Hume (1711-1776). The sixteen essays included in this collection are divided into five parts. These parts are arranged under the headings of: (1) Metaphysics and Epistemology; (2) Free Will and Moral Luck; (3) Ethics, Virtue and Optimism; (4) Skepticism, Religion and Atheism; and (...) (5) Irreligion and the Unity of Hume’s Thought. A particularly important theme running through many of these essays is the subject of Hume’s irreligious aims and intentions. The fifth and final part of the collection is devoted to an articulation and defence of this specific understanding of Hume’s philosophical thought. (shrink)

Nous proposons dans cet article une caractérisation, à notre connaissance, nouvelle, d’une distorsion cognitive : la requalification dans le même pôle. Une telle caractérisation prend place au sein du modèle général des distorsions cognitives (Franceschi, 2007). Nous commençons par définir un modèle étendu des distorsions cognitives, intégrant les éléments du cadre conceptuel des matrices de concepts (Franceschi, 2002), afin de permettre une définition élargie du système de taxons. Nous nous attachons ensuite à définir la requalification dans le même pôle et (...) à la distinguer d’une distorsion cognitive voisine : la requalification dans l’autre pôle. (shrink)

A brief review of John Polkinghorne's 2011 book Science and Religion in Quest of Truth (Yale University Press).

The philosophy of Samuel Clarke is of central importance to Hume’s Treatise. Hume’s overall attitude to Clarke’s philosophy may be characterized as one of systematic scepticism. The general significance of this is that it sheds considerable light on Hume’s fundamental “atheistic” or anti-Christian intentions in the Treatise. These are all claims that I have argued for elsewhere.’ In this paper I am concerned to focus on a narrower aspect of this relationship between the philosophies of Clarke and Hume. Specifically, I (...) will consider Hume’s views on the subjects of materialism and necessity in relation to Clarke’s enormously influential debate with Anthony Collins on these topics. I begin by describing the nature and context of this controversy; I then examine how Hume‘s positions on questions of materialism and necessity stand in relation to the positions and arguments taken up by Clarke and Collins; and finally I explain the deeper significance of these specific issues for Hume’s wider “atheistic” or anti-Christian objectives in the Treatise. Hume’s views on the closely related subjects of materialism and necessity, I maintain, constitute core elements of his “atheistic” project in the Treatise, and they manifest his basic antipathy to the theistic metaphysics of the Christian religion in general,and to the Newtonian cosmology of Clarke in particular. (shrink)

What was René Girard’s attitude towards philosophy? What philosophers influenced him? What stance did he take in the philosophical debates of his time? What are the philosophical questions raised by René Girard’s anthropology? In this interview, Paul Dumouchel sheds light on these issues.

Quine's “Epistemology Naturalized” has become part of the canon in epistemology and excited a widespread revival of interest in naturalism. Yet the status accorded the essay is ironic, since both friends and foes of philosophical naturalism deny that Quine makes a plausible case that the methods of naturalism can accommodate the problems of epistemology.

Nietzsche associates values with affects and drives: he not only claims that values are explained by drives and affects, but sometimes appears to identify values with drives and affects. This is decidedly odd: the agent's reflectively endorsed ends, principles, commitments--what we would think of as the agent's values--seem not only distinct from, but often in conflict with, the agent's drives. Consequently, it is unclear how we should understand Nietzsche's concept of value. This essay attempts to dispel these puzzles by reconstructing (...) Nietzsche's account of value. According to the view that I defend, an agent values X iff (i) the agent has a drive-induced affective orientation toward X and (ii) the agent does not disapprove of this affective orientation. Additionally, I argue that drives generate thoughts about justification, thereby inclining the agent to regard pursuit of the drive's aim as valuable. I contend that this interpretation makes sense of Nietzsche’s remarks about value and overcomes the difficulties inherent in competing interpretations. I conclude by investigating the recalcitrance of drive-induced affective orientations. (shrink)

I explore various ways of integrating the framework for predeterminism, agency, and ability in[P.McNamara, Nordic J. Philos. Logic 5 (2)(2000) 135] with a framework for obligations. However,the agential obligation operator explored here is defined in terms of a non-agential yet personal obligation operator and a non-deontic (and non-normal) agency operator. This is contrary to the main current trend, which assumes statements of personal obligation always take agential complements. Instead, I take the basic form to be an agent’s being obligated to (...) be such that p. I sketch some logics for agential obligation based on personal obligation and agency, first in a fairly familiar context that rules out conflicting personal obligations (and derivatively, conflicting agential obligations), and then in contexts that do allow for conflicts (of both sorts). (shrink)

THE PRINCIPLE OF SUPERPOSITION. The need for a quantum theory Classical mechanics has been developed continuously from the time of Newton and applied to an ...

In this paper I will describe certain significant features of the title-page of Hume's Treatise which have gone largely unnoticed. My discussion will focus on two features of the titlepage. First, Hume's Treatise shares its title with a relevant and well-known work by Hobbes. Second, the epigram of the title-page, which is taken from Tacitus, also serves as the title for the final chapter of Spinoza's Tractatus Theologico-Politicus. In the seventeenth and early-eighteenth centuries Hobbes and Spinoza were infamous as the (...) two most influential representatives of 'atheistic' or antiChristian philosophy. The significance of these features of the title-page of the Treatise, therefore, is that in this important context Hume unambiguously alludes to these philosophers and their 'atheistic' doctrines. This, I will argue, accords well with a proper understanding of the nature of Hume's own anti-Christian intentions in the Treatise. (shrink)

Dans ce qui suit, je m'attache à présenter les éléments d'une doctrine philosophique, qui peut être définie comme un contextualisme dialectique. Je m'efforce tout d'abord de définir les éléments constitutifs de cette doctrine, à travers les dualités et pôles duaux, le principe d'indifférence dialectique et le biais d'uni-polarisation. Je m'attache ensuite à souligner l'intérêt spécifique de cette doctrine au sein d'un domaine particulier de la méta-philosophie : la méthodologie utilisée pour la résolution des paradoxes philosophiques. Je décris enfin une application (...) de cette dernière aux paradoxes suivants : le paradoxe de Hempel, le paradoxe de l'examen-surprise et l'argument de l'Apocalypse. (shrink)

In a previous paper (Compléments pour une théorie des distorsions cognitives, Journal de Thérapie Comportementale et Cognitive, 2007), we did present some elements aimed at contributing to a general theory of cognitive distortions. Based on the reference class, the duality and the system of taxa, these elements led to distinguish between the general cognitive distortions (dichotomous reasoning, disqualification of one pole, minimization, maximization) and the specific cognitive distortions (disqualifying the positive, selective abstraction, catastrophism). By also distinguishing between three levels of (...) reasoning – the instantiation stage, the interpretation stage and the generalization stage – we did also define two other cognitive distortions: over-generalization and mislabeling (Théorie des distorsions cognitives : la sur-généralisation et l'étiquetage, Journal de Thérapie Comportementale et Cognitive, 2009). We currently extend this model to another classical cognitive distortion: personalization. (shrink)

Dieser Artikel beleuchtet die Verflechtung von der Frage nach der Sexualität und der Frage nach dem wahren Selbst. Durch die eigene Sexualität entdeckt und offenbart sich das Individuum vor sich selbst und anderen. Im Anschluss an die Werke von Michel Foucault zeigt sich, dass diese Befragung der eigenen Sexualität nicht nur ein epistemisches Unterfangen ist. Sie ist vielmehr eingebettet in eine größere Struktur von Macht und Wissen. Im Zentrum der Sexualität steht ein Imperativ der Identität, der vom Subjekt verlangt, sich (...) innerhalb der Grenzen geltender Diskurse zu identifizieren und sich an bestehende Normen, die von den herrschenden Machtstrukturen produziert werden, zu orientieren und ihnen zu entsprechen. Abschließend werden zwei Pfade des Widerstands gegen diesen Imperativ der Identität beschrieben. Der eine betont die Möglichkeit, die Grenzen der Diskurse zu überschreiten, indem neue Wege gefunden werden, über sich selbst zu sprechen. Der andere eröffnet eine andere Perspektive auf die Sexualität, welche es uns ermöglicht, neue Beziehungen zu uns selbst und zu anderen zu gestalten. —— This article sheds light on the interweaving of sexuality and the question of the true self. Individuals discover and reveal themselves to others through their own sexuality. Drawing on the works of Michel Foucault it is shown that this questioning of one’s own sexuality is not merely an epistemic endeavor. It is embedded in a greater structure of power and knowledge. At the heart of sexuality lies an imperative of identity that demands the subject to identify itself within the limits of given discourses and to adhere and conform to given norms produced by predominant structures of power. Lastly, two paths of resistance against this imperative of identity will be paved. One emphasizing the possibility of pushing the boundaries of discourses by finding new ways of speaking about oneself. The other opening a different route of viewing sexuality, giving us the possibility to shape new relations to ourselves and others. (shrink)

It is one thing to hold that merely statistical evidence is _sometimes_ insufficient for rational belief, as in typical lottery and profiling cases. It is another thing to hold that merely statistical evidence is _always_ insufficient for rational belief. Indeed, there are cases where statistical evidence plainly does justify belief. This project develops a dispositional account of the normativity of statistical evidence, where the dispositions that ground justifying statistical evidence are connected to the goals (= proper function) of objects. There (...) are strong intuitive motivations for doing this. For we can turn almost any case of _non-justifying_ merely statistical evidence into a case of _justifying_ merely statistical evidence by adding information about the dispositions and goals of the objects involved. The resulting view not only helps us understand when and why merely statistical evidence is normatively significant, but it also helps us understand how statistical evidence relates to more standard forms of evidence (perceptual, testimonial). The emerging view also has surprising applications, as it imposes limitations on the epistemic value of fine-tuning arguments for theism as well as undermines a standard class of case-based arguments for moral encroachment. (shrink)

We proceed to describe a model for the formation and maintenance of polythematic delusions encountered in schizophrenia, which is in adequacy with Brendan Maher's account of delusions. Polythematic delusions are considered here as the conclusions of arguments triggered by apophenia that include some very common errors of reasoning such as post hoc fallacy and confirmation bias. We describe first the structure of reasoning which leads to delusions of reference, of telepathy and of influence, by distinguishing between the primary, secondary, tertiary (...) and quaternary types of delusional arguments. These four levels of arguments correspond to a stage the nature of which is respectively instantial, inductive, interpretative at a monothematic level and interpretative at a polythematic level. We also proceed to identify accurately the fallacious steps in the corresponding reasoning. We expose then the role of apophenia in the elaboration of delusional ideas. Lastly, we describe the role played by the hallucinations in the present model. (shrink)

Should a principle of charity be applied to the interpretation of the colour concepts exercised in visual experience? We think not. We shall argue, for one thing, that the grounds for applying a principle of charity are lacking in the case of colour concepts. More importantly, we shall argue that attempts at giving the experience of colour a charitable interpretation either fail to respect obvious features of that experience or fail to interpret it charitably, after all. Charity to visual experience (...) is therefore no motive for resisting the natural, Galilean response to a scientific understanding of light and vision. The best interpretation of colour experience ends up convicting it of widespread and systematic error. (shrink)

This paper argues that, given a certain apparently inevitable thesis about content, we could not know our own minds. The thesis is that the content of a thought is determined by its relational properties.

Schizophrenia is often associated with other physical and mental problems. Generalized anxiety disorder is notably one of the comorbid disorders which is often linked to schizophrenia. The association of polythematic delusions and of ideas resulting from generalized anxiety disorder complicates the exercise of the corresponding cognitive therapy, for the resulting ideas are most often inextricably intertwined. In what follows, we endeavour to propose a methodology for the differential treatment of polythematic delusions inherent to schizophrenia when combined with ideas originating from (...) generalized anxiety disorder. We propose, with regard to the corresponding content of delusions, an analysis which allows under certain conditions, to separate the content associated with polythematic delusions and the one that relates to generalized anxiety disorder, in order to facilitate the exercise of the corresponding cognitive therapy. (shrink)

English translation of an article originally published in French in Liber Amicorum Pascal Engel, J. Dutant, G. Fassio & A. Meylan (eds.), University of Geneva, 2014, pp. 581-608. In what follows, I strive to present the elements of a philosophical doctrine, which can be defined as dialectical contextualism. I proceed first to define the elements of this doctrine: dualities and polar contraries, the principle of dialectical indifference and the one-sidedness bias. I emphasize then the special importance of this doctrine in (...) one specific field of meta-philosophy: the methodology for solving philosophical paradoxes. Finally, I describe several applications of this methodology on the following paradoxes: Hempel's paradox, the surprise examination paradox and the Doomsday Argument. (shrink)

Hume’s famous and influential contributions to the philosophy of religion pursue two broad themes that have deep links with his general sceptical and naturalistic commitments throughout his philosophy as a whole.1 The first is his sceptical critique of the philosophical arguments and doctrines of various (Christian) theological systems. The second is his naturalistic account of the origins and roots of religion in human nature. Taken together, these two themes serve to advance Hume’s “Lucretian mission”, which was to discredit and dislodge (...) the role of religion in human life. In this paper I consider the criticism that Hume’s entire Lucretian mission is fundamentally misguided and misconceived as judged in terms of his own claims and hypotheses concerning religion. More specifically, it may be argued that if Hume is right about the foundations of religion in human nature and the human predicament, then his Lucretian mission is neither wise nor achievable. His project is, in other words, both theoretically self-refuting and practically self-defeating. Drawing from Hume’s writings on this subject, I will suggest a set of replies and responses to these criticisms. (shrink)

This paper introduces constitutivism about practical reason, which is the view that we can justify certain normative claims by showing that agents become committed to these claims simply in virtue of acting. According to this view, action has a certain structural feature – a constitutive aim, principle, or standard – that both constitutes events as actions and generates a standard of assessment for action. We can use this standard of assessment to derive normative claims. In short, the authority of certain (...) normative claims arises from the bare fact that we are agents. This essay explains the constitutivst strategy, surveys the extant attempts to generate constitutivist theories, and considers the problems and prospects for the theory. (shrink)

Proponents of the extended mind have suggested that phenomenal transparency may be important to the way we evaluate putative cases of cognitive extension. In particular, it has been suggested that in order for a bio-external resource to count as part of the machinery of the mind, it must qualify as a form of transparent equipment or transparent technology. The present paper challenges this claim. It also challenges the idea that phenomenological properties can be used to settle disputes regarding the constitutional (...) status of bio-external resources in episodes of extended cognizing. Rather than regard phenomenal transparency as a criterion for cognitive extension, we suggest that transparency is a feature of situations that support the ascription of certain cognitive/mental dispositional properties to both ourselves and others. By directing attention to the forces and factors that motivate disposition ascriptions, we arrive at a clearer picture of the role of transparency in arguments for extended cognition and the extended mind. As it turns out, transparency is neither necessary nor sufficient for cognitive extension, but this does not mean that it is entirely irrelevant to our understanding of the circumstances in which episodes of extended cognizing are apt to arise. (shrink)

In the 6th century, Paul the Persian used his own pen to write a summary of Aristotle's Peri Hermeneias in the Persian language. Severus Sebokht translated it into Syriac. This book is a transcription and translation of the Syriac manuscript of Paul the Persian's Peri Hermeneias and a comparison of it with Aristotle's original Greek text.

Knowledge implies the presence of a positive relation between a person and a fact. Factual ignorance, on the other hand, implies the absence of some positive relation between a person and a fact. The two most influential views of ignorance hold that what is lacking in cases of factual ignorance is knowledge or true belief, but these accounts fail to explain a number of basic facts about ignorance. In their place, we propose a novel and systematic defense of the view (...) that factual ignorance is the absence of awareness, an account that both comes apart from the dominant views and overcomes their deficiencies. Given the important role that ignorance plays in moral and legal theory and our understanding of various epistemic injustices, a precise and theoretically unproblematic account of the nature of ignorance is important not only for normative epistemology, but also for law, ethics, and applied epistemology. (shrink)

JOURNAL OF THE HISTORY OF PHILOSOPHY PRIZE for the best published book in the history of philosophy [Awarded in 2010] _______________ -/- Although it is widely recognized that David Hume's A Treatise of Human Nature (1739-40) belongs among the greatest works of philosophy, there is little agreement about the correct way to interpret his fundamental intentions. It is an established orthodoxy among almost all commentators that skepticism and naturalism are the two dominant themes in this work. The difficulty has been, (...) however, that Hume's skeptical arguments and commitments appear to undermine and discredit his naturalistic ambition to contribute to "the science of man". This schism appears to leave his entire project broken-backed. The solution to this riddle depends on challenging another, closely related, point of orthodoxy: namely, that before Hume published the Treatise he removed almost all material concerned with problems of religion. Russell argues, contrary to this view, that irreligious aims and objectives are fundamental to the Treatise and account for its underlying unity and coherence. It is Hume's basic anti-Christian aims and objectives that serve to shape and direct both his skeptical and naturalistic commitments. When Hume's arguments are viewed from this perspective we can solve, not only puzzles arising from his discussion of various specific issues, we can also explain the intimate and intricate connections that hold his entire project together. This "irreligious" interpretation provides a comprehensive fresh account of the nature of Hume's fundamental aims and ambitions in the Treatise. It also presents a radically different picture of the way in which Hume's project was rooted in the debates and controversies of his own time, placing the Treatise in an irreligious or anti-Chrisitan philosophical tradition that includes Hobbes, Spinoza and freethinking followers. Considered in these terms, Hume's Treatise constitutes the crowning achievement of the Radical Enlightenment. (shrink)

Examples of extended cognition typically involve the use of technologically low-grade bio-external resources (e.g., the use of pen and paper to solve long multiplication problems). The present paper describes a putative case of extended cognizing based around a technologically advanced mixed reality device, namely, the Microsoft HoloLens. The case is evaluated from the standpoint of a mechanistic perspective. In particular, it is suggested that a combination of organismic (e.g., the human individual) and extra-organismic (e.g., the HoloLens) resources form part of (...) a common mechanism that realizes a bona fide cognitive routine. In addition to demonstrating how the theoretical resources of neo-mechanical philosophy might be used to evaluate extended cognitive systems, the present paper illustrates one of the ways in which mixed reality devices, virtual objects (i.e., holograms), and online (Internet-accessible) computational routines might be incorporated into human cognitive processes. This, it is suggested, speaks to the recent interest in mixed/virtual reality technologies across a number of disciplines. It also introduces us to issues that cross-cut disparate fields of philosophical research, such as the philosophy of science and the philosophy of technology. (shrink)

Plato's Republic divided subsequent study of justice in two, as a virtue of people and of institutions. Here, the start of a reunification is attempted. Justice is first understood personally as the mean between arrogance and servility, where just people properly respect themselves and others. Because justice requires that like cases be treated alike and self-respect is a special instance of respect generally, justice requires a single standard for self and others. In understanding justice in terms of respect, structural analogies (...) become apparent between "recognition" and "appraisal" respect, on one hand, and Rawls' two principles of justice on the other. The paper closes with a discussion of how mercy is related to justice and an explanation of why just people always look for reasons to mitigate blame and punishment but never to aggravate them. (shrink)

Mark Schroeder’s Reasons First is admirable in its scope and execution, deftly demonstrating the theoretical promise of extending the reasons-first approach from ethics to epistemology. In what follows we explore how (not) to account for the evidence-that relation within the reasons-first program, we explain how factive content views of evidence can be resilient in the face of Schroeder’s criticisms, and we explain how knowledge from falsehood threatens Schroeder’s view of knowledge. Along the way we sketch a reliabilist account of the (...) reasons-for relation (inspired by Alston) and show how it limits the applicability of Schroeder’s arguments. (shrink)

Public reason views hold that the exercise of political power must be acceptable to all reasonable citizens. A growing number of philosophers argue that this reasonable acceptability principle (RAP) can be justified by appealing to the value of civic friendship. They claim that a valuable form of political community can only be achieved among the citizens of pluralistic societies if they refrain from appealing to controversial ideals and values when justifying the exercise of political power to one another. This paper (...) argues against such accounts. In order to justify RAP, one must explain and defend a conception of reasonableness. Civic friendship is unfit to perform this task, rendering it unable to ground public reason alone. Meanwhile, pluralist views that combine civic friendship with other considerations in order to specify RAP either fail or make civic friendship a spare wheel in the argument for public reason. (shrink)

It seems natural to choose whether to have a child by reflecting on what it would be like to actually have a child. I argue that this natural approach fails. If you choose to become a parent, and your choice is based on projections about what you think it would be like for you to have a child, your choice is not rational. If you choose to remain childless, and your choice is based upon projections about what you think it (...) would be like for you to have a child, your choice is not rational. This suggests we should reject our ordinary conception of how to make this life-changing decision, and raises general questions about how to rationally approach important life choices. (shrink)

Big Bang and the actual state of the universe; not information; entropic time is wrong; not discrete computation; 1-d topologies; QBism reconsidered; not Boltzmann brains; A-theories; the Big Bang and A-theories; not Boltzmann brains again.

In this book, Russell examines Hume's notion of free will and moral responsibility. It is widely held that Hume presents us with a classic statement of a compatibilist position--that freedom and responsibility can be reconciled with causation and, indeed, actually require it. Russell argues that this is a distortion of Hume's view, because it overlooks the crucial role of moral sentiment in Hume's picture of human nature. Hume was concerned to describe the regular mechanisms which generate moral sentiments such as (...) responsibility, and Russell argues that his conception of free will must be interprted within this naturalistic framework. He goes on to discuss Hume's views about the nature and character of moral sentiment; the extent to which we have control over our moral character; and the justification of punishment. Throughout, Russell argues that the naturalistic avenue of interpretation of Hume's thought, far from draining it of its contemporary interest and significance, reveals it to be of great relevance to the ongoing contemporary debate - particuarly in relation to the views of P.F. Strawson and his influential paper "Freedom and Resentment". (shrink)

The question I want to explore is whether experience supports an antireductionist ontology of time, that is, whether we should take it to support an ontology that includes a primitive, monadic property of nowness responsible for the special feel of events in the present, and a relation of passage that events instantiate in virtue of literally passing from the future, to the present, and then into the past.