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  1. added 2019-09-19
    Logical Normativity and Rational Agency—Reassessing Locke's Relation to Logic.Huaping Lu-Adler - 2018 - Journal of the History of Philosophy 56 (1):75-99.
    There is an exegetical quandary when it comes to interpreting Locke's relation to logic.On the one hand, over the last few decades a substantive amount of literature has been dedicated to explaining Locke's crucial role in the development of a new logic in the seventeenth and eighteenth centuries. John Yolton names this new logic the "logic of ideas," while James Buickerood calls it "facultative logic."1 Either way, Locke's Essay is supposedly its "most outspoken specimen" or "culmination."2 Call this reading the (...)
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  2. added 2019-09-19
    Kant on Proving Aristotle’s Logic as Complete.Huaping Lu-Adler - 2016 - Kantian Review 21 (1):1-26.
    Kant claims that Aristotles logic as complete, explain the historical and philosophical considerations that commit him to proving the completeness claim and sketch the proof based on materials from his logic corpus. The proof will turn out to be an integral part of Kant’s larger reform of formal logic in response to a foundational crisis facing it.
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  3. added 2019-07-14
    No Metaphysical Disagreement Without Logical Incompatibility.Daniel Durante Pereira Alves - 2019 - Seminário Lógica No Avião - 2013-2018.
    The purpose of this article is to support the logical incompatibility of the opposing views as a criterion for characterizing disagreements as genuinely metaphysical. That is, I intend to argue that a specific dispute is a metaphysical disagreement only when the conflicting views are governed by different logics. If correct, this criterion would not only help to separate merely verbal from genuine metaphysical debates, but it also would ground an argument against deflationism, guaranteeing the substantiality and relevance of metaphysics. I (...)
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  4. added 2019-06-06
    Heidegger’s Distinction Between Scientific and Philosophical Judgments.Chad Engelland - 2007 - Philosophy Today 51 (Supplement):33-41.
    Some commentators, such as Jürgen Habermas, think Martin Heidegger is guilty of a performative contradiction, because he uses judgments to situate judgments in a non-judicative context. This paper defends Heidegger by distinguishing two senses of judgment in his thought. Temporality enables two different directions of inquiry and hence two kinds of judgment. Scientific judgments arise when we turn from the temporal horizon toward entities alone; phenomenological judgments arise when we return to the temporal horizon in which such entities are accessible. (...)
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  5. added 2019-06-06
    The Contemporary Relevance of Ancient Logical Theory.John Corcoran - 1982 - Philosophical Quarterly 32 (126):76.
    This interesting and imaginative monograph is based on the author’s PhD dissertation supervised by Saul Kripke. It is dedicated to Timothy Smiley, whose interpretation of PRIOR ANALYTICS informs its approach. As suggested by its title, this short work demonstrates conclusively that Aristotle’s syllogistic is a suitable vehicle for fruitful discussion of contemporary issues in logical theory. Aristotle’s syllogistic is represented by Corcoran’s 1972 reconstruction. The review studies Lear’s treatment of Aristotle’s logic, his appreciation of the Corcoran-Smiley paradigm, and his understanding (...)
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  6. added 2019-06-05
    Logical Conceptualization of Knowledge on the Notion of Language Communication.Urszula Wybraniec-Skardowska - 2017 - Studies in Logic, Grammar and Rhetoric 52 (1):247-269.
    The main objective of the paper is to provide a conceptual apparatus of a general logical theory of language communication. The aim of the paper is to outline a formal-logical theory of language in which the concepts of the phenomenon of language communication and language communication in general are defined and some conditions for their adequacy are formulated. The theory explicates the key notions of contemporary syntax, semantics, and pragmatics. The theory is formalized on two levels: token-level and type-level. As (...)
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  7. added 2019-03-03
    Laws of Thought and Laws of Logic After Kant.Lydia Patton - 2018 - In Sandra Lapointe (ed.), Logic from Kant to Russell. New York: Routledge. pp. 123-137.
    George Boole emerged from the British tradition of the “New Analytic”, known for the view that the laws of logic are laws of thought. Logicians in the New Analytic tradition were influenced by the work of Immanuel Kant, and by the German logicians Wilhelm Traugott Krug and Wilhelm Esser, among others. In his 1854 work An Investigation of the Laws of Thought on Which are Founded the Mathematical Theories of Logic and Probabilities, Boole argues that the laws of thought acquire (...)
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  8. added 2019-02-04
    Recapture, Transparency, Negation and a Logic for the Catuskoti.Adrian Kreutz - 2019 - Comparative Philosophy 10 (1):67-92.
    The recent literature on Nāgārjuna’s catuṣkoṭi centres around Jay Garfield’s (2009) and Graham Priest’s (2010) interpretation. It is an open discussion to what extent their interpretation is an adequate model of the logic for the catuskoti, and the Mūla-madhyamaka-kārikā. Priest and Garfield try to make sense of the contradictions within the catuskoti by appeal to a series of lattices – orderings of truth-values, supposed to model the path to enlightenment. They use Anderson & Belnaps's (1975) framework of First Degree Entailment. (...)
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  9. added 2018-06-29
    Gödel's Slingshot Revisited: Does Russell's Theory of Descriptions Really Evade the Slingshot.João Daniel Dantas - 2016 - Dissertation, UFRN
    “Slingshot Arguments” are a family of arguments underlying the Fregean view that if sentences have reference at all, their references are their truth-values. Usually seen as a kind of collapsing argument, the slingshot consists in proving that, once you suppose that there are some items that are references of sentences (as facts or situations, for example), these items collapse into just two items: The True and The False. This dissertation treats of the slingshot dubbed “Gödel’s slingshot”. Gödel argued that there (...)
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  10. added 2018-06-04
    Logic is Metaphysics.Daniel Durante Pereira Alves - 2011 - Principia: An International Journal of Epistemology 15 (1):31-42.
    Analyzing the position of two philosophers whose views are recognizably divergent, W. O. Quine and M. Dummett, we intend to support a striking point of agreement between them: the idea that our logical principles constitute our principles about what there is, and therefore, that logic is metaphysics.
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  11. added 2018-05-10
    Rumfitt on Truth-Grounds, Negation, and Vagueness.Richard Zach - 2018 - Philosophical Studies 175 (8):2079-2089.
    In The Boundary Stones of Thought, Rumfitt defends classical logic against challenges from intuitionistic mathematics and vagueness, using a semantics of pre-topologies on possibilities, and a topological semantics on predicates, respectively. These semantics are suggestive but the characterizations of negation face difficulties that may undermine their usefulness in Rumfitt’s project.
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  12. added 2018-01-17
    Tuples All the Way Down?Simon Hewitt - manuscript
    We can introduce singular terms for ordered pairs by means of an abstraction principle. Doing so proves useful for a number of projects in the philosophy of mathematics. However there is a question whether we can appeal to the abstraction principle in good faith, since a version of the Caesar Problem can be generated, posing the worry that abstraction fails to introduce expressions which refer determinately to the requisite sort of object. In this short paper I will pose the difficulty, (...)
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  13. added 2018-01-11
    Introduction: Diagrammatical Reasoning and Peircean Logic Representations.João Queiroz & Frederik Stjernfelt - 2011 - Semiotica 2011 (186):1-4.
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  14. added 2017-12-23
    The Logical and Pragmatic Structure of Arguments From Analogy.Fabrizio Macagno - 2017 - Logique Et Analyse 240:465-490.
    The reasoning process of analogy is characterized by a strict interdependence between a process of abstraction of a common feature and the transfer of an attribute of the Analogue to the Primary Subject. The first reasoning step is regarded as an abstraction of a generic characteristic that is relevant for the attribution of the predicate. The abstracted feature can be considered from a logic-semantic perspective as a functional genus, in the sense that it is contextually essential for the attribution of (...)
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  15. added 2017-11-26
    From Logical Calculus to Logical Formality—What Kant Did with Euler’s Circles.Huaping Lu-Adler - 2017 - In Corey W. Dyck & Falk Wunderlich (eds.), Kant and His German Contemporaries : Volume 1, Logic, Mind, Epistemology, Science and Ethics. Cambridge: Cambridge University Press. pp. 35-55.
    John Venn has the “uneasy suspicion” that the stagnation in mathematical logic between J. H. Lambert and George Boole was due to Kant’s “disastrous effect on logical method,” namely the “strictest preservation [of logic] from mathematical encroachment.” Kant’s actual position is more nuanced, however. In this chapter, I tease out the nuances by examining his use of Leonhard Euler’s circles and comparing it with Euler’s own use. I do so in light of the developments in logical calculus from G. W. (...)
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  16. added 2017-06-09
    Natural Deduction for Diagonal Operators.Fabio Lampert - 2017 - In Maria Zack & Dirk Schlimm (eds.), Research in History and Philosophy of Mathematics: The CSHPM 2016 Annual Meeting in Calgary, Alberta. Cham: Birkhäuser. pp. 39-51.
    We present a sound and complete Fitch-style natural deduction system for an S5 modal logic containing an actuality operator, a diagonal necessity operator, and a diagonal possibility operator. The logic is two-dimensional, where we evaluate sentences with respect to both an actual world (first dimension) and a world of evaluation (second dimension). The diagonal necessity operator behaves as a quantifier over every point on the diagonal between actual worlds and worlds of evaluation, while the diagonal possibility quantifies over some point (...)
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  17. added 2017-06-07
    Théorie de la relativité de la constitution phénoménologique.Steven James Bartlett - 1970 - Dissertation, Universite de Paris X (Paris-Nanterre) (France)
    This is Vol. I in French. Vol. II in English is available separately from this website. -/- The principal objective of the work is to construct an analytically precise methodology which can serve to identify, eliminate, and avoid a certain widespread conceptual fault or misconstruction, called a "projective misconstruction" or "projection" by the author. -/- It is argued that this variety of error in our thinking (i) infects a great number of our everyday, scientific, and philosophical concepts, claims, and theories, (...)
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  18. added 2017-04-10
    An Objection to Naturalism and Atheism From Logic.Christopher Gregory Weaver - 2019 - In Graham Oppy (ed.), Blackwell Companion to Atheism and Philosophy. Malden: Blackwell Publishers. pp. 451-475.
    I proffer a success argument for classical logical consequence. I articulate in what sense that notion of consequence should be regarded as the privileged notion for metaphysical inquiry aimed at uncovering the fundamental nature of the world. Classical logic breeds necessitism. I use necessitism to produce problems for both ontological naturalism and atheism.
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  19. added 2017-02-21
    Ontology of Sentential Moods.Berislav Žarnić - 2016 - In Myśli o języku, nauce i wartościach. Seria druga. Profesorowi Jackowi Juliuszowi Jadackiemu w siedemdziesiątą rocznicę urodzin. pp. 323-339.
    In this paper ontological implications of the Barcan formula and its converse will be discussed at the conceptual and technical level. The thesis that will be defended is that sentential moods are not ontologically neutral since the rejection of ontological implications of Barcan formula and its converse is a condition of a possibility of the imperative mood. The paper is divided into four sections. In the first section a systematization of semantical systems of quantified modal logic is introduced for the (...)
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  20. added 2017-02-13
    Présuppositions linguistiques et enjeux philosophiques des paralogismes liés à la forme de l’expression dans les Réfutations sophistiques d’Aristote.Leone Gazziero - 2016 - In Béatrice Godart-Wendling & Layla Raïd (eds.), B. Godart-Wendling et L. Raïd (éd.), A la recherche de la présupposition, London, Iste Editions, 2016. London: Iste. pp. 33-52.
    Pour des raisons essentiellement liées à la vocation des textes où la notion de présupposition a fait son apparition, c’est la présupposition d’existence qui s’est imposée la première à l’attention des philosophes du langage. Elle a également déterminé l’orientation des débats en les focalisant sur quelques problèmes traditionnels, au premier chef desquels le problème de l’absence de référence de certaines expressions et celui des imperfections du langage naturel. Contrairement aux noms propres et aux descriptions définies, les termes qui signifient des (...)
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  21. added 2016-12-21
    What is Wrong with Classical Negation?Nils Kurbis - 2015 - Grazer Philosophische Studien 92 (1):51-86.
    The focus of this paper are Dummett's meaning-theoretical arguments against classical logic based on consideration about the meaning of negation. Using Dummettian principles, I shall outline three such arguments, of increasing strength, and show that they are unsuccessful by giving responses to each argument on behalf of the classical logician. What is crucial is that in responding to these arguments a classicist need not challenge any of the basic assumptions of Dummett's outlook on the theory of meaning. In particular, I (...)
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  22. added 2016-05-12
    Higher-Order Free Logic and the Prior-Kaplan Paradox.Andrew Bacon, John Hawthorne & Gabriel Uzquiano - 2016 - Canadian Journal of Philosophy 46 (4-5):493-541.
    The principle of universal instantiation plays a pivotal role both in the derivation of intensional paradoxes such as Prior’s paradox and Kaplan’s paradox and the debate between necessitism and contingentism. We outline a distinctively free logical approach to the intensional paradoxes and note how the free logical outlook allows one to distinguish two different, though allied themes in higher-order necessitism. We examine the costs of this solution and compare it with the more familiar ramificationist approaches to higher-order logic. Our assessment (...)
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  23. added 2016-04-08
    Renovating Philosophical Practice Through Diagrammatic Reasoning.Rocco Gangle - 2008 - Proceedings of the Xxii World Congress of Philosophy 4:47-52.
    The approach to the question of philosophical practice has been dominated by a subordination of practice to theory corresponding in general to a representational conception of philosophy. Methods of diagrammatic reasoning developed within philosophical semiotics provide a more effective approach. Inparticular, Peirce’s system of existential graphs exemplifies how diagrammatic reasoning is able formally to express the processes through which philosophical dialogue and cooperation actually take place and to link such processes to the methods and practices arising in other disciplines and (...)
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  24. added 2016-02-11
    A Inseparabilidade entre Lógica e a Ética.John Corcoran - 2013 - Philósophos - Revista de Filosofia 18 (1):245-259.
    A Inseparabilidade entre Lógica e a Ética. Philósophos. 18 (2013) 245–259. Portuguese translation by Décio Krause and Pedro Merlussi: The Inseparability of Logic and Ethics, Free Inquiry, Spring 1989, 37–40. This essay takes logic and ethics in broad senses: logic as the science of evidence; ethics as the science of justice. One of its main conclusions is that neither science can be fruitfully pursued without the virtues fostered by the other: logic is pointless without fairness and compassion; ethics is pointless (...)
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  25. added 2016-01-28
    What Derivations Cannot Do.Graham Oppy - 2015 - Religious Studies 51 (3):323-333.
    I argue that the only proper role for traditional arguments for and against the existence of God in philosophy of religion is in demonstrating that given worldviews -- theism, naturalism -- are inconsistent.
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  26. added 2016-01-26
    Two Notions of Logical Form.Andrea Iacona - 2016 - Journal of Philosophy 113 (12):617-643.
    This paper claims that there is no such thing as the correct answer to the question of what is logical form: two significantly different notions of logical form are needed to fulfil two major theoretical roles that pertain respectively to logic and semantics. The first part of the paper outlines the thesis that a unique notion of logical form fulfils both roles, and argues that the alleged best candidate for making it true is unsuited for one of the two roles. (...)
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  27. added 2015-09-08
    Numerals and Quantifiers in X-Bar Syntax and Their Semantic Interpretation.Henk J. Verkuyl - 1981 - In Jeroen A. G. Groenendijk, Theo M. V. Janssen & Martin B. Stokhof (eds.), Formal Methods in the Study of Language Volume 2. U of Amsterdam. pp. 567-599.
    The first aim of the paper is to show that under certain conditions generative syntax can be made suitable for Montague semantics, based on his type logic. One of the conditions is to make branching in the so-called X-bar syntax strictly binary, This makes it possible to provide an adequate semantics for Noun Phrases by taking them as referring to sets of collections of sets of entities ( type <ett,t>) rather than to sets of sets of entities (ett).
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  28. added 2015-09-08
    Interpretive Rules and the Description of the Aspects.H. J. Verkuyl - 1976 - Foundations of Language 14 (4):471-503.
    This paper aims at showing that the generative-semantic framework is not essential to the proposal in H.J. Verkuyl On the Compositional Nature of the Aspects Reidel:Dordrecht 1972. Compositionality can be shown to be neutral as to the then-difference between generative-semantic and the interpretive-semantic branch of transformational grammar.
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  29. added 2015-09-08
    A Relativistic Theory of Phenomenological Constitution: A Self-Referential, Transcendental Approach to Conceptual Pathology.Steven James Bartlett - 1970 - Dissertation, Universite de Paris X (Paris-Nanterre) (France)
    A RELATIVISTIC THEORY OF PHENOMENOLOCICAL CONSTITUTION: A SELF-REFERENTIAL, TRANSCENDENTAL APPROACH TO CONCEPTUAL PATHOLOGY. (Vol. I: French; Vol. II: English) -/- Steven James Bartlett -/- Doctoral dissertation director: Paul Ricoeur, Université de Paris Other doctoral committee members: Jean Ladrière and Alphonse de Waehlens, Université Catholique de Louvain Defended publically at the Université Catholique de Louvain, January, 1971. -/- Universite de Paris X (France), 1971. 797pp. -/- The principal objective of the work is to construct an analytically precise methodology which can serve (...)
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  30. added 2015-08-27
    Argumentative Reasoning Patterns.Douglas Walton & Fabrizio Macagno - 2006 - In Douglas Walton & Fabrizio Macagno (eds.), Proceedings of 6th CMNA (Computational Models of Natural Argument) Workshop, ECAI-European Conference on Artificial Intelligence. University of Trento. pp. 48-51.
    The aim of the paper is to present a typology of argument schemes. In first place, we found it helpful to define what an argument scheme is. Since many argument schemes found in contemporary theories stem from the ancient tradition, we took in consideration classical and medieval dialectical studies and their relation with argumentation theory. This overview on the main works on topics and schemes provides a summary of the main principles of classification. In the second section, Walton’s theory is (...)
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  31. added 2015-08-26
    Implicatures and Hierarchies of Presumptions.Fabrizio Macagno - 2011 - In Frank Zenker (ed.), Argument Cultures: Proceedings of the 8th International Conference of the Ontario Society for the Study of Argumentation (OSSA) (University of Windsor, ON 18-21 May 2011). OSSA. pp. 1-17.
    Implicatures are described as particular forms reasoning from best explanation, in which the para-digm of possible explanations consists of the possible semantic interpretations of a sentence or a word. The need for explanation will be shown to be triggered by conflicts between presumptions, namely hearer’s dialogical expectations and the presumptive sentence meaning. What counts as the best explanation can be established on the grounds of hierarchies of presumptions, dependent on dialogue types and interlocutors’ culture.
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  32. added 2014-12-31
    Ancient Logic and its Modern Interpretations.John Corcoran (ed.) - 1974 - Boston: Reidel.
    This book treats ancient logic: the logic that originated in Greece by Aristotle and the Stoics, mainly in the hundred year period beginning about 350 BCE. Ancient logic was never completely ignored by modern logic from its Boolean origin in the middle 1800s: it was prominent in Boole’s writings and it was mentioned by Frege and by Hilbert. Nevertheless, the first century of mathematical logic did not take it seriously enough to study the ancient logic texts. A renaissance in ancient (...)
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  33. added 2014-12-07
    Peter Hare on the Proposition.John Corcoran - 2010 - Transactions of the Charles S. Peirce Society 46 (1):21-34.
    Peter H. Hare (1935-2008) developed informed, original views about the proposition: some published (Hare 1969 and Hare-Madden 1975); some expressed in conversations at scores of meetings of the Buffalo Logic Colloquium and at dinners following. The published views were expository and critical responses to publications by Curt J. Ducasse (1881-1969), a well-known presence in American logic, a founder of the Association for Symbolic Logic and its President for one term.1Hare was already prominent in the University of Buffalo's Philosophy Department in (...)
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  34. added 2014-11-25
    Mathematics as the Science of Pure Structure.John-Michael Kuczynski - manuscript
    A brief but rigorous description of the logical structure of mathematical truth.
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  35. added 2014-11-20
    Review of Susan Haack, Deviant Logic, Fuzzy Logic: Beyond the Formalism[REVIEW]Achille C. Varzi - 1998 - Philosophical Review 107 (3):468-471.
    Book information: Deviant Logic, Fuzzy Logic: Beyond The Formalism. By SUSAN HAACK. Chicago, Ill.: University of Chicago Press, 1996. Pp. xxvi, 291.
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  36. added 2014-11-20
    The Inseparability of Logic and Ethics.John Corcoran - 1989 - Free Inquiry 9 (2):37-40.
    This essay takes logic and ethics in broad senses: logic as the science of evidence; ethics as the science justice. One of its main conclusions is that neither science can be fruitfully pursued without the virtues fostered by the other: logic is pointless without fairness and compassion; ethics is pointless without rigor and objectivity. The logician urging us to be dispassionate is in resonance and harmony with the ethicist urging us to be compassionate.
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  37. added 2014-11-13
    Forma lógica/Formalización.John Corcoran - 2011 - In Luis Vega and Paula Olmos (ed.), Compendio de Lógica, Argumentación y Retórica. Editorial Trotta. pp. 257--258.
    The logical form of a discourse—such as a proposition, a set of propositions, an argument, or an argumentation—is obtained by abstracting from the subject-matter of its content terms or by regarding the content terms as mere place-holders or blanks in a form. In a logically perfect language the logical form of a proposition, a set of propositions, an argument, or an argumentation is determined by the grammatical form of the sentence, the set of sentences, the argument-text, or the argumentation-text expressing (...)
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  38. added 2014-09-18
    Logische Rekonstruktion. Ein Hermeneutischer Traktat.Friedrich Reinmuth - 2014 - Dissertation, University of Greifswald
    The thesis aims at a methodological reflection of logical reconstruction and tries to develop this method in detail, especially with regard to the reconstruction of natural language arguments. First, the groundwork for the thesis is laid by presenting and, where necessary, adapting its foundations with regard to the philosophy of language and the theory of argument. Subsequently, logical reconstruction, especially the logical reconstruction of arguments, is presented as a hermeneutic method and as a tool for the application of (formal) logic (...)
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  39. added 2014-05-01
    No Successfull Infinite Regress.Laureano Luna - 2014 - Logic and Logical Philosophy 23 (2):189-201.
    We model infinite regress structures -not arguments- by means of ungrounded recursively defined functions in order to show that no such structure can perform the task of providing determination to the items composing it, that is, that no determination process containing an infinite regress structure is successful.
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  40. added 2014-04-19
    Kripke’s Category Error: Why There Are No Necessary A Posteriori Propositions.Peter Ulric Tse - manuscript
    Kripke’s main argument against descriptivism is rooted in a category error that confuses statements about the world with statements about models of the world. It is only because of the ambiguity introduced by the fact that a single sentence can frame two different propositions, one necessary and the other a posteriori, that one reaches the mistaken conclusion that there can be necessary a posteriori truths. This ambiguity from language was carried over into modal logic by Kripke. However, we must consider (...)
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  41. added 2014-03-22
    First- and Second-Order Logic of Mass Terms.Peter Roeper - 2004 - Journal of Philosophical Logic 33 (3):261-297.
    Provided here is an account, both syntactic and semantic, of first-order and monadic second-order quantification theory for domains that may be non-atomic. Although the rules of inference largely parallel those of classical logic, there are important differences in connection with the identification of argument places and the significance of the identity relation.
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  42. added 2014-03-09
    What is a Logical Diagram?Catherine Legg - 2013 - In Sun-Joo Shin & Amirouche Moktefi (eds.), Visual Reasoning with Diagrams. Springer. pp. 1-18.
    Robert Brandom’s expressivism argues that not all semantic content may be made fully explicit. This view connects in interesting ways with recent movements in philosophy of mathematics and logic (e.g. Brown, Shin, Giaquinto) to take diagrams seriously - as more than a mere “heuristic aid” to proof, but either proofs themselves, or irreducible components of such. However what exactly is a diagram in logic? Does this constitute a semiotic natural kind? The paper will argue that such a natural kind does (...)
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  43. added 2014-03-03
    The Metaphysical Interpretation of Logical Truth.Tuomas Tahko - 2014 - In Penelope Rush (ed.), The Metaphysics of Logic: Logical Realism, Logical Anti-Realism and All Things In Between. Cambridge University Press. pp. 233-248.
    The starting point of this paper concerns the apparent difference between what we might call absolute truth and truth in a model, following Donald Davidson. The notion of absolute truth is the one familiar from Tarski’s T-schema: ‘Snow is white’ is true if and only if snow is white. Instead of being a property of sentences as absolute truth appears to be, truth in a model, that is relative truth, is evaluated in terms of the relation between sentences and models. (...)
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  44. added 2013-12-24
    Mathematical Aspects of Similarity and Quasi-Analysis - Order, Topology, and Sheaves.Thomas Mormann - manuscript
    The concept of similarity has had a rather mixed reputation in philosophy and the sciences. On the one hand, philosophers such as Goodman and Quine emphasized the „logically repugnant“ and „insidious“ character of the concept of similarity that allegedly renders it inaccessible for a proper logical analysis. On the other hand, a philosopher such as Carnap assigned a central role to similarity in his constitutional theory. Moreover, the importance and perhaps even indispensibility of the concept of similarity for many empirical (...)
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  45. added 2013-09-18
    Computer Models of Constitutive Social Practices.Richard Evans - 2016 - In Vincent Müller (ed.), Fundamental Issues of Artificial Intelligence. Springer. pp. 389-409.
    Research in multi-agent systems typically assumes a regulative model of social practice. This model starts with agents who are already capable of acting autonomously to further their individual ends. A social practice, according to this view, is a way of achieving coordination between multiple agents by restricting the set of actions available. For example, in a world containing cars but no driving regulations, agents are free to drive on either side of the road. To prevent collisions, we introduce driving regulations, (...)
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  46. added 2013-05-12
    A New Three Dimensional Bivalent Hypercube Description, Analysis, and Prospects for Research.Jeremy Horne - 2012 - Neuroquantology 10 (1):12.
    A three dimensional hypercube representing all of the 4,096 dyadic computations in a standard bivalent system has been created. It has been constructed from the 16 functions arrayed in a table of functional completeness that can compute a dyadic relationship. Each component of the dyad is an operator as well as a function, such as “implication” being a result, as well as an operation. Every function in the hypercube has been color keyed to enhance the display of emerging patterns. At (...)
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  47. added 2012-10-10
    Stable Harmony.Nils Kurbis - 2008 - In Peliš Michal (ed.), Logica Yearbook 2007.
    In this paper, I'll present a general way of "reading off" introduction/elimination rules from elimination/introduction rules, and define notions of harmony and stability on the basis of it.
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  48. added 2011-02-07
    Quine and His Critics on Truth-Functionality and Extensionality.Charles Sayward - 2007 - Logic and Logical Philosophy 16 (1):45-63.
    Quine argues that if sentences that are set theoretically equivalent are interchangeable salva veritate, then all transparent operators are truth-functional. Criticisms of this argument fail to take into account the conditional character of the conclusion. Quine also argues that, for any person P with minimal logical acuity, if ‘belief’ has a sense in which it is a transparent operator, then, in that sense of the word, P believes everything if P believes anything. The suggestion is made that he intends that (...)
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  49. added 2011-01-25
    Informal Reasoning and Logical Formalization.Michael Baumgartner - 2010 - In S. Conrad & S. Imhof (eds.), Ding und Begriff. Ontos.
    According to a prevalent view among philosophers formal logic is the philosopher’s main tool to assess the validity of arguments, i.e. the philosopher’s ars iudicandi. By drawing on a famous dispute between Russell and Strawson over the validity of a certain kind of argument – of arguments whose premises feature definite descriptions – this paper casts doubt on the accuracy of the ars iudicandi conception. Rather than settling the question whether the contentious arguments are valid or not, Russell and Strawson, (...)
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