Search results for 'Syllogism' (try it on Scholar)

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  1. Moti Mizrahi (2013). Why Hypothetical Syllogism is Invalid for Indicative Conditionals. Thought: A Journal of Philosophy 2 (1):40-43.
    In this article, I present a schema for generating counterexamples to the argument form known as Hypothetical Syllogism with indicative conditionals. If my schema for generating counterexamples to HS works as I think it does, then HS is invalid for indicative conditionals.
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  2.  98
    Lee Walters (2014). Conditionals, Modals, and Hypothetical Syllogism. Thought: A Journal of Philosophy 3 (1):90-97.
    Moti Mizrahi (2013) presents some novel counterexamples to Hypothetical Syllogism (HS) for indicative conditionals. I show that they are not compelling as they neglect the complicated ways in which conditionals and modals interact. I then briefly outline why HS should nevertheless be rejected.
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  3. Linton Wang & Wei-Fen Ma (2014). Comparative Syllogism and Counterfactual Knowledge. Synthese 191 (6):1327-1348.
    Comparative syllogism is a type of scientific reasoning widely used, explicitly or implicitly, for inferences from observations to conclusions about effectiveness, but its philosophical significance has not been fully elaborated or appreciated. In its simplest form, the comparative syllogism derives a conclusion about the effectiveness of a factor (e.g. a treatment or an exposure) on a certain property via an experiment design using a test (experimental) group and a comparison (control) group. Our objective is to show that the (...)
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  4.  11
    Theodor Ebert (2015). What Is a Perfect Syllogism in Aristotelian Syllogistic? Ancient Philosophy 35 (2):351-374.
    The question as to what makes a perfect Aristotelian syllogism a perfect one has long been discussed by Aristotelian scholars. G. Patzig was the first to point the way to a correct answer: it is the evidence of the logical necessity that is the special feature of perfect syllogisms. Patzig moreover claimed that the evidence of a perfect syllogism can be seen for Barbara in the transitivity of the a-relation. However, this explanation would give Barbara a different status (...)
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  5.  55
    Christopher J. Martin (2007). Denying Conditionals: Abaelard and the Failure of Boethius' Account of the Hypothetical Syllogism. Vivarium 45 (s 2-3):153-168.
    Boethius' treatise De Hypotheticis Syllogismis provided twelfth-century philosophers with an introduction to the logic of conditional and disjunctive sentences but this work is the only part of the logica vetus which is no longer studied in the twelfth century. In this paper I investigate why interest in Boethius acount of hypothetical syllogisms fell off so quickly. I argue that Boethius' account of compound sentences is not an account of propositions and once a proper notion of propositionality is available the argument (...)
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  6.  23
    Gemma Robles & José M. Méndez (2010). A Routley-Meyer Type Semantics for Relevant Logics Including B R Plus the Disjunctive Syllogism. Journal of Philosophical Logic 39 (2):139 - 158.
    Routley-Meyer type ternary relational semantics are defined for relevant logics including Routley and Meyer’s basic logic B plus the reductio rule and the disjunctive syllogism. Standard relevant logics such as E and R (plus γ ) and Ackermann’s logics of ‘strenge Implikation’ Π and Π ′ are among the logics considered.
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  7.  4
    Augustus De Morgan & Peter Lauchlan Heath (1966). On the Syllogism and Other Logical Writings. Routledge & K. Paul.
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  8.  8
    Paul Thom (1981). The Syllogism. Philosophia.
  9. Günther Patzig (1969). Aristotle's Theory of the Syllogism. Dordrecht, D. Reidel.
  10. Augustus De Morgan (1966). On the Syllogism. New Haven, Yale University Press.
     
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  11. Wallace A. Murphree (1991). Numerically Exceptive Logic: A Reduction of the Classical Syllogism. P. Lang.
  12. Günther Patzig & Jonathan Barnes (1968). Aristotle's Theory of the Syllogism a Logico-Philological Study of Book a of the Prior Analytics. Reidel.
     
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  13.  7
    Nicholas Rescher (1966). Galen and the Syllogism. [Pittsburgh]University of Pittsburgh Press.
    Nicholas Rescher, by examining and reproducing sources in Arabic philosophy, seeks to definitively settle the debate over whether Galen originated the fourth ...
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  14. Augustus De Morgan (1858). On the Syllogism, No. Iii. And on Logic in General. Printed by C.J. Clay at the University Press.
     
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  15. Augustus De Morgan (1860). On the Syllogism, No. Iv. And on the Logic of Relations. Printed by C.J. Clay at the University Press.
     
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  16. Augustus De Morgan (1863). On the Syllogism, No. V. And on Various Points of the Onymatic System. Printed by C.J. Clay at the University Press.
     
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  17.  4
    G. B. Keene (1969). The Relational Syllogism: A Systematic Approach to Relational Logic. Exeter, University of Exeter.
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  18. Keith Stenning & Richard Tobin (1995). Assigning Information to Modalities Comparing Graphical Treatments of the Syllogism. Hcrc Publications, University of Edinburgh.
     
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  19. Stanley Wilcox (1939). The Destructive Hypothetical Syllogism in Greek Logic and in Attic Oratory. [New Haven.
     
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  20. Lee Walters (2014). Against Hypothetical Syllogism. Journal of Philosophical Logic 43 (5):979-997.
    The debate over Hypothetical Syllogism is locked in stalemate. Although putative natural language counterexamples to Hypothetical Syllogism abound, many philosophers defend Hypothetical Syllogism, arguing that the alleged counterexamples involve an illicit shift in context. The proper lesson to draw from the putative counterexamples, they argue, is that natural language conditionals are context-sensitive conditionals which obey Hypothetical Syllogism. In order to make progress on the issue, I consider and improve upon Morreau’s proof of the invalidity of Hypothetical (...)
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  21. Michael Morreau (2009). The Hypothetical Syllogism. Journal of Philosophical Logic 38 (4):447 - 464.
    The hypothetical syllogism is invalid in standard interpretations of conditional sentences. Many arguments of this sort are quite compelling, though, and you can wonder what makes them so. I shall argue that it is our parsimony in regard to connections among events and states of affairs. All manner of things just might, for all we know, be bound up with one another in all sorts of ways. But ordinarily it is better, being simpler, to assume they are unconnected. In (...)
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  22. Gemma Robles & José M. Méndez (2011). A Routley-Meyer Semantics for Relevant Logics Including TWR Plus the Disjunctive Syllogism. Logic Journal of the IGPL 19 (1):18-32.
    We provide Routley-Meyer type semantics for relevant logics including Contractionless Ticket Entailment TW (without the truth constant t and o) plus reductio R and Ackermann’s rule γ (i.e., disjunctive syllogism). These logics have the following properties. (i) All have the variable sharing property; some of them have, in addition, the Ackermann Property. (ii) They are stable. (iii) Inconsistent theories built upon these logics are not necessarily trivial.
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  23.  75
    John R. Welch (1991). Reconstructing Aristotle: The Practical Syllogism. Philosophia 21 (1-2):69-88.
    This article tackles a number of puzzles related to Aristotle’s practical syllogism, notably the relationship between deliberation and the practical syllogism, the distinction between deliberative and reconstructive practical syllogisms, and the nature of the conclusion of the practical syllogism.
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  24.  34
    S. V. Bhave (1997). Situations in Which Disjunctive Syllogism Can Lead From True Premises to a False Conclusion. Notre Dame Journal of Formal Logic 38 (3):398-405.
    Disjunctive Syllogism, that is, the inference from 'not-A or B' and 'A', to 'B' can lead from true premises to a false conclusion if each of the sentences 'A' and 'not-A' is a statement of a partial truth such that affirming one of them amounts to denying the other, without each being the contradictory of the other. Such sentences inevitably occur whenever a situation which for its proper precise description needs the use of expressions such as 'most probably true' (...)
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  25.  47
    Steve Awodey & A. W. Carus, The Turning Point and the Revolution: Philosophy of Mathematics in Logical Empiricism From Tractatus on Logical Syllogism.
    Steve Awodey and A. W. Carus. The Turning Point and the Revolution: Philosophy of Mathematics in Logical Empiricism from Tractatus on Logical Syllogism.
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  26.  32
    Tony Street (2001). “The Eminent Later Scholar” in Avicenna's Book of the Syllogism. Arabic Sciences and Philosophy 11 (2):205-218.
    Avicenna refers on a number of occasions in his Book of the Syllogism to “the eminent later scholar” . At least three recent studies have argued or assumed that this eminent later scholar is Alexander of Aphrodisias. It is argued in this article that Avicenna is in fact referring to Alfarabi. This has consequences for reconstructing the lost first part of Alfarabi's Great Commentary on the Prior Analytics , for highlighting certain aspects of Alfarabi's logical doctrines, and for understanding (...)
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  27.  52
    Maroun Aouad & Gregor Schoeler (2002). The Poetic Syllogism According to Al-Farabi: An Incorrect Syllogism of the Second Figure. Arabic Sciences and Philosophy 12 (2):185-196.
    It is well-known that the Arab philosophers of the Aristotelian tradition, like some of their Alexandrian predecessors, attached rhetoric and poetics to logic, and supported this inclusion by the idea that the principal poetic procedure - that is, essentially, metaphor - is a kind of syllogism: the poetic syllogism. However, until now, no texts prior to those of Avicenna had been identified which render the structure of this syllogism explicit. In the present contribution, we present and translate (...)
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  28. Paula Gottlieb (2008). The Ethical Syllogism. Logical Analysis and History of Philosophy 11.
    Aristotle’s practical syllogism is an ethical topic. It is possible to construct an ethical syllogism that explains the actions of the good human being, with the first part of the minor premise referring to the agent’s character. The resulting account coheres with Aristotle’s discussions of the akratic, the enkratic and the learner, and with Aristotle’s view that practical wisdom requires full ethical virtue and conversely. The ethical syllogism is central to Aristotle’s ethic of virtue.
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  29.  15
    Wiland Eric (2013). In the Beginning Was the Doing: The Premises of the Practical Syllogism. Canadian Journal of Philosophy 43 (3):303-321.
    (2013). In the beginning was the doing: the premises of the practical syllogism. Canadian Journal of Philosophy: Vol. 43, No. 3, pp. 303-321.
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  30.  42
    Jonardon Ganeri (1996). The Hindu Syllogism: Nineteenth-Century Perceptions of Indian Logical Thought. Philosophy East and West 46 (1):1-16.
    Following H. T. Colebrooke's 1824 'discovery' of the Hindu syllogism, his term for the five-step inference schema in the "Nyāya-sūtra," European logicians and historians of philosophy demonstrated considerable interest in Indian logical thought. This is in marked contrast with later historians of philosophy, and also with Indian nationalist and neo-Hindu thinkers like Vivekananda and Radhakrishnan, who downgraded Indian rationalist traditions in favor of 'spiritualist' or 'speculative' texts. This article traces the role of these later thinkers in the origins of (...)
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  31.  11
    Eric W. Snider Jr (1988). Aristotle on Deliberation and the Practical Syllogism. New Scholasticism 62 (2):179-209.
    The purpose of this dissertation is to show how it is that three interpreters of Aristotle's texts on deliberation and the practical syllogism come to views which differ considerably from each other. I argue that the differences are largely due to which set of texts the interpreter takes as most important in relation to Aristotle's theory of the practical syllogism. Neither G. E. M. Anscombe, John M. Cooper, nor Martha Craven Nussbaum has expressed adequately Aristotle's use of the (...)
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  32.  20
    James Van Evra (2000). The Development of Logic as Reflected in the Fate of the Syllogism 1600–1900. History and Philosophy of Logic 21 (2):115-134.
    One way to determine the quality and pace of change in a science as it undergoes a major transition is to follow some feature of it which remains relatively stable throughout the process. Following the chosen item as it goes through reinterpretation permits conclusions to be drawn about the nature and scope of the broader change in question. In what follows, this device is applied to the change which took place in logic in the mid-nineteenth century. The feature chosen as (...)
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  33.  5
    João Maurício Adeodato (1999). The Rhetorical Syllogism (Enthymeme) in Judicial Argumentation. International Journal for the Semiotics of Law - Revue Internationale de Sémiotique Juridique 12 (2):133-150.
    The thesis here expounded can be divided in three parts: in the first place, it is supposed that the syllogism is not the rhetorical way, and less still the logical way, indeed used to reach the decision in the legal proceedings monopolized by the modern State. At the most, it can be seen as a form of presenting a decision that has already been reached by other means. It sure constitutes a highly functional procedure, effective and legitimating. It is (...)
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  34. Klaus Corcilius (2008). Two Jobs for Aristotle's Practical Syllogism? Logical Analysis and History of Philosophy 11:163-184.
    Among scholars it is common to assume that Aristotle’s practical syllogism does two jobs. It is often taken to explain both animal motion and human deliberation. I will call this the “two-jobs view of the practical syllogism”. In what follows, I will argue that the two-jobs view of the practical syllogism is not working. I will then try to give a very brief and incomplete sketch of how to conceive of a non-two-jobs view of the Aristotelian practical (...)
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  35.  6
    Wallace A. Murphree (1994). The Irrelevance of Distribution for the Syllogism. Notre Dame Journal of Formal Logic 35 (3):433-449.
    While accepting that distribution is a coherent notion, I argue that it is nevertheless irrelevant to the working of the syllogism. Instead, I propose: (i) that a term's being distributed or undistributed in a proposition is its capacity to be replaced in a truth-preserving substitution with a narrower or a wider term; (ii) that which capacity the term has is determined by whether it occurs as the predicate of a negative or of an affirmative statement of the proposition; and (...)
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  36.  4
    James Van Evra (2000). The Development of Logic as Reflected in the Fate of the Syllogism 1600–1900. History and Philosophy of Logic 21 (2):115-134.
    One way to determine the quality and pace of change in a science as it undergoes a major transition is to follow some feature of it which remains relatively stable throughout the process. Following the chosen item as it goes through reinterpretation permits conclusions to be drawn about the nature and scope of the broader change in question. In what follows, this device is applied to the change which took place in logic in the mid-nineteenth century. The feature chosen as (...)
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  37. Gregor Betz (2013). Justifying Inference to the Best Explanation as a Practical Meta-Syllogism on Dialectical Structures. Synthese 190 (16):3553-3578.
    This article discusses how inference to the best explanation can be justified as a practical meta - argument. It is, firstly, justified as a practical argument insofar as accepting the best explanation as true can be shown to further a specific aim. And because this aim is a discursive one which proponents can rationally pursue in — and relative to — a complex controversy, namely maximising the robustness of one’s position, IBE can be conceived, secondly, as a meta - argument. (...)
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  38. Storrs McCall (1967). Connexive Implication and the Syllogism. Mind 76 (303):346-356.
  39. T. J. Smiley (1973). What is a Syllogism? Journal of Philosophical Logic 2 (1):136 - 154.
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  40. H. B. Curry (1936). A Mathematical Treatment of the Rules of the Syllogism. Mind 45 (178):209-216.
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  41.  3
    Shilpa Mody & Susan Carey (2016). The Emergence of Reasoning by the Disjunctive Syllogism in Early Childhood. Cognition 154:40-48.
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  42.  90
    A. C. Ewing (1951). A New Formula for the Syllogism in Terms of the Ordinary Sense of 'Implication'. Analysis 12 (1):9 - 13.
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  43.  61
    Thomas J. McQuade (1994). From Syllogism to Predicate Calculus. Teaching Philosophy 17 (4):293-309.
    The purpose of this paper is to outline an alternative approach to introductory logic courses. Traditional logic courses usually focus on the method of natural deduction or introduce predicate calculus as a system. These approaches complicate the process of learning different techniques for dealing with categorical and hypothetical syllogisms such as alternate notations or alternate forms of analyzing syllogisms. The author's approach takes up observations made by Dijkstrata and assimilates them into a reasoning process based on modified notations. The author's (...)
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  44.  59
    Timothy Smiley (1962). Syllogism and Quantification. Journal of Symbolic Logic 27 (1):58-72.
  45.  62
    Robin Smith (1994). Dialectic and the Syllogism. Ancient Philosophy 14 (supp.):133-151.
  46.  66
    Robin Smith (1982). The Syllogism in Posterior Analytics I. Archiv für Geschichte der Philosophie 64 (2):113-135.
  47.  66
    Stephen Read (1981). What Is Wrong with Disjunctive Syllogism? Analysis 41 (2):66 - 70.
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  48. Gemma Robles & José M. Méndez (2010). A Routley-Meyer Type Semantics for Relevant Logics Including Br Plus the Disjunctive Syllogism. Journal of Philosophical Logic 39 (2):139-158.
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  49. Anthony Kenny (1966). The Practical Syllogism and Incontinence. Phronesis 11 (2):163 - 184.
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  50. James Allen (2011). Syllogism, Demonstration, and Definition in Aristotle's Topics and Posterior Analytics. In Michael Frede, James V. Allen, Eyjólfur Kjalar Emilsson, Wolfgang-Rainer Mann & Benjamin Morison (eds.), Oxford Studies in Ancient Philosophy: Essays in Memory of Michael Frede. Summer 2011. Vol. 40. Oxford University Press 40--63.
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