Results for 'reductio ad absurdum argument'

956 found
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  1. Enhancing the Diagramming Method in Informal Logic.Dale Jacquette - 2011 - Argument: Biannual Philosophical Journal 1 (2):327-360.
    The argument diagramming method developed by Monroe C. Beardsley in his (1950) book Practical Logic, which has since become the gold standard for diagramming arguments in informal logic, makes it possible to map the relation between premises and conclusions of a chain of reasoning in relatively complex ways. The method has since been adapted and developed in a number of directions by many contemporary informal logicians and argumentation theorists. It has proved useful in practical applications and especially pedagogically in (...)
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  2. Abduction as the Mother of All Argumentation.Priyedarshi Jetli - manuscript
    Abduction* is the genus with deduction and induction as species. Modus tollens is backward reasoning as an unknown proposition is inferred from a known proposition. Reductio ad absurdum is abductive because the conclusion is inferred by deriving a contradiction from an assumption. Inductive reasoning from effect to cause is also backward reasoning. But abduction* consists of forward reasoning as well. The generic structure of abductive* argumentation is universal among all cultures, occupations and disciplines.
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  3. Contraception is not a reductio of Marquis.Bruce P. Blackshaw - 2023 - Bioethics 37 (5):508-510.
    Don Marquis’ future-like-ours account argues that abortion is seriously immoral because itdeprives the embryo or fetus of a valuable future much like our own. Marquis was mindful ofcontraception being reductio ad absurdum of his reasoning, and argued that prior tofertilisation, there is not an identifiable subject of harm. Contra Marquis, Tomer Chaffercontends that the ovum is a plausible subject of harm, and therefore contraception deprives theovum of a future-like-ours. In response, I argue that being an identifiable subject of (...)
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  4. Meaning in time: on temporal externalism and Kripkenstein’s skeptical challenge.Jaakko Reinikainen - 2022 - Synthese 200 (288):1-27.
    The main question of metasemantics, or foundational semantics, is why an expression token has the meaning (semantic value) that it in fact has. In his reading of Ludwig Wittgenstein’s later work, Saul Kripke presented a skeptical challenge that threatened to make the foundational question unanswerable. My first contention in this paper is that the skeptical challenge indeed poses an insoluble paradox, but only for a certain kind of metasemantic theory, against which the challenge effectively works as a reductio ad (...)
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  5. The Ontological Form of Tropes - Refuting Douglas Ehring’s Main Argument against Standard Trope Nominalism.Jani Hakkarainen & Markku Keinänen - 2017 - Philosophia 45 (2):647-658.
    According to standard trope nominalism, there are simple tropes that do not have parts or multiply distinct aspects. Douglas Ehring’s reductio ad absurdum against this standard view concludes that there are no simple tropes. In this paper, we provide a response to Ehring defending the standard view. Ehring’s argument may be refuted by (1) distinguishing the ontological form of tropes from their contribution to the ontological content of the world, and (2) construing tropes as having primitive identity. (...)
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  6. The Moral Argument for the Existence of God and Immortality.Roe Fremstedal - 2013 - Journal of Religious Ethics 41 (1):50-78.
    This essay tries to show that there exist several passages where Kierkegaard (and his pseudonyms) sketches an argument for the existence of God and immortality that is remarkably similar to Kant's so-called moral argument for the existence of God and immortality. In particular, Kierkegaard appears to follow Kant's moral argument both when it comes to the form and content of the argument as well as some of its terminology. The essay concludes that several passages in Kierkegaard (...)
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  7. Let's dance! The equivocation in Chalmers' dancing qualia argument.B. van Heuveln, Eric Dietrich & M. Oshima - 1998 - Minds and Machines 8 (2):237-249.
    David Chalmers' dancing qualia argument is intended to show that phenomenal experiences, or qualia, are organizational invariants. The dancing qualia argument is a reductio ad absurdum, attempting to demonstrate that holding an alternative position, such as the famous inverted spectrum argument, leads one to an implausible position about the relation between consciousness and cognition. In this paper, we argue that Chalmers' dancing qualia argument fails to establish the plausibility of qualia being organizational invariants. Even (...)
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  8. Minimalizacja cierpienia zwierząt a wegetarianizm.Krzysztof Saja - 2013 - Analiza I Egzystencja 22:67-83.
    The article is a reductio ad absurdum of assumptions which are shared by a large number of followers of the animal welfare movement and utilitarianism. I argue that even if we accept the main ethical arguments for a negative moral assessment of eating meat we should not promote vegetarianism but rather beefism (eating only meat from beef cattle). I also argue that some forms of vegetarianism, i.e. ichtivegetarianism, can be much more morally worse than normal meat diet. In (...)
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  9. Against Luck-Free Moral Responsibility.Robert J. Hartman - 2016 - Philosophical Studies 173 (10):2845-2865.
    Every account of moral responsibility has conditions that distinguish between the consequences, actions, or traits that warrant praise or blame and those that do not. One intuitive condition is that praiseworthiness and blameworthiness cannot be affected by luck, that is, by factors beyond the agent’s control. Several philosophers build their accounts of moral responsibility on this luck-free condition, and we may call their views Luck-Free Moral Responsibility (LFMR). I offer moral and metaphysical arguments against LFMR. First, I maintain that considerations (...)
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  10. A methodological argument against scientific realism.Darrell P. Rowbottom - 2019 - Synthese 198 (3):2153-2167.
    First, I identify a methodological thesis associated with scientific realism. This has different variants, but each concerns the reliability of scientific methods in connection with acquiring, or approaching, truth or approximate truth. Second, I show how this thesis bears on what scientists should do when considering new theories that significantly contradict older theories. Third, I explore how vulnerable scientific realism is to a reductio ad absurdum as a result. Finally, I consider which variants of the methodological thesis are (...)
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  11. Logical refutation of the EPR argument.Oscar Chavoya-Aceves - 2013 - Physics Essays 26:21-23.
    On the grounds that the Einstein-Podolsky-Rosen argument is an example of reasoning by reductio ad absurdum, and that a counterexample is unacceptable, unless all its elements meet all the necessary conditions, its conclusions are invalidated. The arguments in this paper are strictly logical. Einstein, Podolsky and Rosen made a mathematical assumption that is incompatible with quantum mechanics.
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  12. Söz uçar, yazı kalır; yara geçer, izi kalır: varsayılan mağdur edebiyatını değilleyen örtük bir reductio ad absurdum.Besim Karakadılar - 2021 - In Sinan Kadir Çelik Fahri Apaydın (ed.), Akademide Etik İhlalleri: Yaşanmış Vakalar 1. pp. 255-260.
    Kimi zaman akademik hayatımızı doğrudan etkileyen kararların kimler tarafından nerede ve nasıl alındığını bilemeyebiliriz. Kimi zaman da bilsek bile bu akademik toplumun şeffaf olduğu anlamına gelmeyebilir. Doktora sonrası yurda dönmeden önce, tezimi okuyan hocalarımdan “Orada seni anlayan birilerini bulabilecek misin?” gibi bir soru gelmişti. Sorunun doğru yanıtının ne olduğundan emin değildim; hala da değilim.
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  13. From the Specter of Polygamy to the Spectacle of Postcoloniality: A Response to Bai on Confucianism, Liberalism, and the Same-Sex Marriage Debate.Yao Lin - 2022 - Politics and Religion 15 (1):215-227.
    In “Confucianism and Same-Sex Marriage,” published recently in Politics and Religion, Professor Tongdong Bai argues for a “moderate Confucian position on same-sex marriage,” one that supports its legalization and yet endeavors “to use public opinion and social and political policies to encourage heterosexual marriages, and to prevent same-sex marriages from becoming the majority form of marriages” (Bai 2021:146). Against the backdrop of downright homophobia prevalent among vocal Confucians in mainland China today, Bai claims that his pro-legalization rendition “show[s] a different (...)
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  14. Thabo Mbeki, postmodernism, and the consequences.Robert Kowalenko - 2015 - South African Journal of Philosophy 34 (4):441-461.
    Explanations of former South African President Thabo Mbeki’s public and private views on the aetiology of the HIV/AIDS epidemic in the country remain partial at best without the recognition that the latter presuppose and imply a postmodernist/postcolonialist philosophy of science that erases the line separating the political from the scientific. Evidence from Mbeki’s public speeches, interviews, and private and anonymous writings suggests that it was postmodernist/postcolonialist theory that inspired him to doubt the “Western” scientific consensus on HIV/AIDS and to implement (...)
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  15. Moral disagreement scepticism leveled.Jonathan Dixon - 2021 - Ratio 34 (3):203-216.
    While many have argued that moral disagreement poses a challenge to moral knowledge, the precise nature of this challenge is controversial. Indeed, in the moral epistemology literature, there are many different versions of ‘the’ argument from moral disagreement to moral scepticism. This paper contributes to this vast literature on moral disagreement by arguing for two theses: 1. All (or nearly all) moral disagreement arguments share an underlying structure; and, 2. All moral disagreement arguments that satisfy this underlying structure cannot (...)
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  16. Is Coherentism Coherent?Christoph Jäger - 2007 - Analysis 67 (4):341 - 344.
    In ‘A reductio of coherentism’ (Analysis 67, 2007) Tom Stoneham offers a novel argument against epistemological coherentism. ‘On the face of it’, he writes, ‘the argument gives a conclusive reductio ad absurdum of any coherence theory of justification. But that cannot be right, can it?’ (p. 254). It could be right, but it isn’t. I argue that coherentists need not accept the central premises of Stoneham’s argument and that, even if these premises were acceptable (...)
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  17. The insignificance of philosophical skepticism.Jonathan Dixon - 2022 - Synthese 200 (485):1-22.
    The Cartesian arguments for external world skepticism are usually considered to be significant for at least two reasons: they seem to present genuine paradoxes and that providing an adequate response to these arguments would reveal something epistemically important about knowledge, justification, and/or our epistemic position to the world. Using only premises and reasoning the skeptic accepts, I will show that the most common Cartesian argument for external world skepticism leads to a previously unrecognized self-undermining dilemma: it either leads to (...)
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  18. (1 other version)Chrysippus' Puzzle About Identity.John Bowin - 2003 - Oxford Studies in Ancient Philosophy 24:239-251.
    In 'Chrysippus' Puzzle about Identity', John Bowin (thereafter JB) cogently strengthens David Sedley's reading of the puzzle of Chrysippus as a reductio ad absurdum of the Growing Argument. For Sedley, Chrysippus reduces to absurdity the assumption that matter is the sole principle of identity by refuting its presupposition that the two protagonists of the puzzle, namely Theon and Dion, are related as part to the whole. According to Plutarch's Comm. not. 1083 a8-c1, however, the Growing Argument (...)
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  19. Skepticism About the “Convertibility” of Induced Pluripotent Stem Cells.Thomas V. Cunningham - 2013 - American Journal of Bioethics 13 (1):40-42.
    No abstract available. First paragraph: In this issue’s target article, Stier and Schoene-Siefert purport to ‘depotentialize’ the argument from potentiality based on their claim that any human cell may be “converted” into a morally significant entity, and consequently, the argument from potentiality finally succumbs to a reductio ad absurdum. I aim to convey two reasons for skepticism about the innocuousness of the notion of cell convertibility, and hence, the cogency of their argument.
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  20. Wrongful Life Claims and Negligent Selection of Gametes or Embryos in Infertility Treatments: A Quest for Coherence.Noam Gur - 2014 - Journal of Law and Medicine 22:426-441.
    This article discusses an anomaly in the English law of reproductive liability: that is, an inconsistency between the law’s approach to wrongful life claims and its approach to cases of negligent selection of gametes or embryos in infertility treatments (the selection cases). The article begins with an account of the legal position, which brings into view the relevant inconsistency: while the law treats wrongful life claims as non- actionable, it recognises a cause of action in the selection cases, although the (...)
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  21. Identification of antinomies by complementary analysis.Andrzej Burkiet - manuscript
    It has been noticed that self-referential, ambiguous definitional formulas are accompanied by complementary self-referential antinomy formulas, which gives rise to contradictions. This made it possible to re-examine ancient antinomies and Cantor’s Diagonal Argument (CDA), as well as the method of nested intervals, which is the basis for evaluating the existence of uncountable sets. Using Georg Cantor’s remark that every real number can be represented as an infinite digital expansion (usually decimal or binary), a simplified system for verifying the definitions (...)
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  22. The exorcist's nightmare: A reply to Crispin Wright.Thomas Tymoczko & Jonathan Vogel - 1992 - Mind 101 (403):543-552.
    Crispin Wright tried to refute classical 'Cartesian' skepticism contending that its core argument is extendible to a reductio ad absurdum (_Mind<D>, 100, 87-116, 1991). We show both that Wright is mistaken and that his mistakes are philosophically illuminating. Wright's 'best version' of skepticism turns on a concept of warranted belief. By his definition, many of our well-founded beliefs about the external world and mathematics would not be warranted. Wright's position worsens if we take 'warranted belief' to be (...)
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  23. Colyvan’s Dilemma: Inconsistency, Theoretic Virtues, and Scientific Practice (4th edition).Johnny Kennedy - 2022 - Undergraduate Philosophy Journal of Australasia 4 (1):21-39.
    Mark Colyvan formulates a puzzle about belief in inconsistent entities. As a scientific realist, Colyvan refers to salient instances of inconsistencies in our best science and demonstrates how an indispensability argument may justify belief in an inconsistent entity. Colyvan’s indispensability argument presents a two-horned dilemma: either scientific realists are committed to the possibility of warranted belief in inconsistent objects, or we have a reductio ad absurdum, bringing realism into a crisis. Firstly, this paper follows Graham Priest (...)
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  24. Ancient Greek Mathematical Proofs and Metareasoning.Mario Bacelar Valente - 2024 - In Maria Zack (ed.), Research in History and Philosophy of Mathematics. Annals of the Canadian Society for History and Philosophy of Mathematics. pp. 15-33.
    We present an approach in which ancient Greek mathematical proofs by Hippocrates of Chios and Euclid are addressed as a form of (guided) intentional reasoning. Schematically, in a proof, we start with a sentence that works as a premise; this sentence is followed by another, the conclusion of what we might take to be an inferential step. That goes on until the last conclusion is reached. Guided by the text, we go through small inferential steps; in each one, we go (...)
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  25. Reductionism ad absurdum: Attneave and Dennett cannot reduce Homunculus (and hence the mind).Lance Nizami - 2018 - Kybernetes 47:163-185.
    Purpose – Neuroscientists act as proxies for implied anthropomorphic signal- processing beings within the brain, Homunculi. The latter examine the arriving neuronal spike-trains to infer internal and external states. But a Homunculus needs a brain of its own, to coordinate its capabilities – a brain that necessarily contains a Homunculus and so on indefinitely. Such infinity is impossible – and in well-cited papers, Attneave and later Dennett claim to eliminate it. How do their approaches differ and do they (in fact) (...)
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  26. The unexpected value of the future.Hayden Wilkinson - forthcoming - Ergo: An Open Access Journal of Philosophy.
    Various philosophers accept moral views that are impartial, additive, and risk-neutral with respect to moral betterness. But, if that risk neutrality is spelt out according to expected value theory alone, such views face a dire reductio ad absurdum. If the expected sum of value in humanity's future is undefined--if, e.g., the probability distribution over possible values of the future resembles the Pasadena game, or a Cauchy distribution--then those views say that no option is ever better than any other. (...)
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  27. Λ and the limits of effective field theory.Adam Koberinski & Chris Smeenk - forthcoming - Philosophy of Science.
    The cosmological constant problem stems from treating quantum field theory and general relativity as an effective field theory. We argue that the problem is a reductio ad absurdum, and that one should reject the assumption that general relativity can generically be treated as an EFT. This marks a failure of naturalness, and an internal signal that EFT methods do not apply in all spacetime domains. We then take an external view, showing that the assumptions for using EFTs are (...)
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  28. Artworks are Valuable for Their Own Sake.Gerad Gentry - 2023 - Journal of the American Philosophical Association, 9(2) 9 (2):234-252.
    To hold that artworks are valuable for their own sake—regardless of whatever secondary value they may have, such as entertainment, formation, education, or a pleasurable experience—is to hold that their final worth is not derived from external or secondary ends. I call this collective set of views the end-in-itself view. Nicholas Stang recently leveled a twofold charge of reductio ad absurdum and operating from a double standard against the EI view. In this article, I refute Stang by showing (...)
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  29. Despre entimeme.Gheorghe-Ilie Farte - 1996 - In Stefan Afloroaei (ed.), Itinerarii logico-filosofice. pp. 136-143.
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  30. Wittgenstein and Surrealism.Chrysoula Gitsoulis - 2012 - Essays in Philosophy 13 (1):74-84.
    There are two aspects to Wittgenstein’s method of deconstructing pseudo-philosophical problems that need to be distinguished: (1) describing actual linguistic practice, and (2) constructing hypothetical ‘language-games’. Both methods were, for Wittgenstein, indispensable means of clarifying the ‘grammar’ of expressions of our language -- i.e., the appropriate contexts for using those expressions – and thereby dissolving pseudo-philosophical problems. Though (2) is often conflated with (1), it is important to recognize that it differs from it in important respects. (1) can be seen (...)
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  31. The Banach-Tarski Paradox.Ulrich Meyer - 2023 - Logique Et Analyse 261:41–53.
    Emile Borel regards the Banach-Tarski Paradox as a reductio ad absurdum of the Axiom of Choice. Peter Forrest instead blames the assumption that physical space has a similar structure as the real numbers. This paper argues that Banach and Tarski's result is not paradoxical and that it merely illustrates a surprising feature of the continuum: dividing a spatial region into disjoint pieces need not preserve volume.
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  32. From embodied and extended mind to no mind.Vincent C. Müller - 2012 - In Anna Esposito, Antonietta M. Esposito, Rüdiger Hoffmann, Vincent C. Müller & Alessandro Viniciarelli (eds.), Cognitive Behavioural Systems. Springer. pp. 299-303.
    The paper discusses the extended mind thesis with a view to the notions of “agent” and of “mind”, while helping to clarify the relation between “embodiment” and the “extended mind”. I will suggest that the extended mind thesis constitutes a reductio ad absurdum of the notion of ‘mind’; the consequence of the extended mind debate should be to drop the notion of the mind altogether – rather than entering the discussion how extended it is.
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  33. Semantic Interpretation of the Classical / Intuitionist Logical Divide Through the Language of Scientific Theories.Antonino Drago - manuscript
    Double negations are easily recognised in both the so-called “negative literature” and the original texts of some important scientific theories. Often they are not equivalent to the corresponding affirmative propositions. In the case the law of double negation fails they belong to non-classical logic, as first, intuitionist logic. Through a comparative analysis of the theories including them the main features of a new kind of theoretical organization governed by intuitionist logic are obtained. Its arguing proceeds through doubly negated propositions and (...)
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  34. The Compatibility of Downward Causation and Emergence.Simone Gozzano - 2017 - In Michele Paolini Paoletti & Francesco Orilia (eds.), Philosophical and Scientific Perspectives on Downward Causation. New York: Routledge. pp. 296-312.
    In this paper, I shall argue that both emergence and downward causation, which are strongly interconnected, presuppose the presence of levels of reality. However, emergence and downward causation pull in opposite directions with respect to my best reconstruction of what levels are. The upshot is that emergence stresses the autonomy among levels while downward causation puts the distinction between levels at risk of a reductio ad absurdum, with the further consequence of blurring the very notion of downward. Therefore, (...)
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  35. Dioecismo y Ciudad Ideal. Acerca de la República de Platón, VII 540e4-541a1.David Xavier Lévystone - 2022 - Journal of Ancient Philosophy 16 (1):01-26.
    The radical mean suggested by Socrates in order to carry out the program of the Republic - the relegation to the fields of all inhabitants over the age of 10 - has perplexed modern commentators who have seen in it an ironical remark, a reductio ad absurdum presented in order to establish the very impossibility of Kallipolis or, on the contrary, a sign of the totalitarian and criminal character of the Platonic city. But it is far from evident, (...)
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  36. A Proposed Solution of St. Thomas Aquinas’s “Third Way” Through Pros Hen Analogy.Jeffrey Dirk Wilson - 2019 - Philotheos 19 (1):85-105.
    St. Thomas’s Third Way to prove the existence of God, “Of Possibility and Necessity” (ST 1, q.2, art. 3, response) is one of the most controverted passages in the entire Thomistic corpus. The central point of dispute is that if there were only possible beings, each at some time would cease to exist and, therefore, at some point in time nothing would exist, and because something cannot come from nothing, in such an eventuality, nothing would exist now—a reductio ad (...)
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  37. (1 other version)Fine on the Possibility of Vagueness.Andreas Ditter - forthcoming - In Federico L. G. Faroldi & Frederik Van De Putte (eds.), Outstanding Contributions to Logic: Kit Fine. Springer.
    Fine (2017) proposes a new logic of vagueness, CL, that promises to provide both a solution to the sorites paradox and a way to avoid the impossibility result from Fine (2008). The present paper presents a challenge to his new theory of vagueness. I argue that the possibility theorem stated in Fine (2017), as well as his solution to the sorites paradox, fail in certain reasonable extensions of the language of CL. More specifically, I show that if we extend the (...)
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  38.  84
    The Absolute Identity.Rodrigo Garcia-Virgolini - manuscript
    This paper proposes a metaphysical solution to the hard problem of consciousness by presenting a formal theorem that uses set theory and modal logic to demonstrate the equivalence of Being, Self, and the Absolute. Through a series of self-evident axioms and logical propositions it establishes that Being is necessary for all possible entities, Self is necessary for all possible phenomena, and entities imply phenomena while Being implies Self. Furthermore, it posits that there can only be one Absolute, since multiple non-contingent (...)
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  39. Towards a Theory of Computation similar to some other scientific theories.Antonino Drago - manuscript
    At first sight the Theory of Computation i) relies on a kind of mathematics based on the notion of potential infinity; ii) its theoretical organization is irreducible to an axiomatic one; rather it is organized in order to solve a problem: “What is a computation?”; iii) it makes essential use of doubly negated propositions of non-classical logic, in particular in the word expressions of the Church-Turing’s thesis; iv) its arguments include ad absurdum proofs. Under such aspects, it is like (...)
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  40. Ohne Satz vom Widerspruch keine Entität – Der Satz vom Widerspruch als Strukturformel der Realität.Gianluigi Segalerba - 2011 - Journal of Ancient Philosophy 5 (2):1-57.
    This paper deals with the strategy of defence that Aristotle dedicates to the principle of contradiction; the analysis is concentrated on passages of Metaphysics Gamma 4. The main thesis of the paper is that Aristotle’s strategy is an ontological, and therefore not only a logical, one: the principle is defended on the basis of the, from an ontological point of view, unacceptable consequences which would arise in case of the absence of the principle itself. These consequences are, for instance, the (...)
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  41. La matematica moderna e Zenone.Alessio Gava - 1999 - Esercizi Filosofici 4:127-138.
    Aspetti filosofico-matematici dei celebri paradossi di Zenone di Elea.
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  42. Who's afraid of multiple realizability?: Functionalism, reductionism, and connectionism.Justin Schwartz - 1992 - In John Dinsmore (ed.), The Symbolic and Connectionist Paradigms: Closing the Gap. Lawrence Erlbaum.
    Philosophers have argued that on the prevailing theory of mind, functionalism, the fact that mental states are multiply realizable or can be instantiated in a variety of different physical forms, at least in principle, shows that materialism or physical is probably false. A similar argument rejects the relevance to psychology of connectionism, which holds that mental states are embodied and and constituted by connectionist neural networks. These arguments, I argue, fall before reductios ad absurdam, proving too much -- they (...)
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  43. Hume and Catholic Miracles.Michael Jacovides - manuscript
    Two arguments in Hume’s essay on miracles are reductios ad Catholicism: if you believe in the miracles in the Bible, then you ought to believe in Catholic miracles as well. Hume’s intended readers hated Catholicism and would sooner reject miracles than follow the pope. Hume argues that Jansenist miracle stories meet the standards of trustworthiness as well as any miracles in history. He knows that his Protestant believers don’t believe the stories, and he hopes to persuade his readers to reject (...)
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  44.  67
    Reductio ad Malum.Michael W. Hickson - 2011 - Modern Schoolman 88 (3/4):201-221.
    Pierre Bayle is perhaps most well-known for arguing in his Dictionary (1697) that the problem of evil cannot be solved by reason alone. This skepticism about theodicy is usually credited to a religious crisis suffered by Bayle in 1685 following the unjust imprisonment and death of his brother, the death of his father, and the revocation of the Edict of Nantes. But in this paper I argue that Bayle was skeptical about theodicy a decade earlier than these events, from at (...)
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  45. Anarchist Philosophy and the Pitfalls of the Reductio ad Politicum. [REVIEW]Nathan Jun - 2009 - Anarchist Studies 17 (2):108-111. Translated by Against the State: An Introduction to Anarchist Political Theory Crispin Sartwell.
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  46. Does Virtue Epistemology Provide a Better Account of the Ad Hominem Argument? A Reply to Christopher Johnson.Gary James Jason - 2011 - Philosophy 86 (1):95-119.
    Christopher Johnson has put forward in this journal the view that ad hominem reasoning may be more generally reasonable than is allowed by writers such as myself, basing his view on virtue epistemology. I review his account, as well as the standard account, of ad hominem reasoning, and show how the standard account would handle the cases he sketches in defense of his own view. I then give four criticisms of his view generally: the problems of virtue conflict, vagueness, conflation (...)
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  47. Is there a case for ad hominem arguments?Gary James Jason - 1984 - Australasian Journal of Philosophy 62 (2):182 – 185.
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  48. Recognizing Argument Types and Adding Missing Reasons.Christoph Lumer - 2019 - In Bart J. Garssen, David Godden, Gordon Mitchell & Jean Wagemans (eds.), Proceedings of the Ninth Conference of the International Society for the Study of Argumentation (ISSA). [Amsterdam, July 3-6, 2018.]. Sic Sat. pp. 769-777.
    The article develops and justifies, on the basis of the epistemological argumentation theory, two central pieces of the theory of evaluative argumentation interpretation: 1. criteria for recognizing argument types and 2. rules for adding reasons to create ideal arguments. Ad 1: The criteria for identifying argument types are a selection of essential elements from the definitions of the respective argument types. Ad 2: After presenting the general principles for adding reasons (benevolence, authenticity, immanence, optimization), heuristics are proposed (...)
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  49. Realization Reductios, and Category Inclusion.Ronald P. Endicott - 2010 - Journal of Philosophy 107 (4):213-219.
    Thomas Polger and Laurence Shapiro argue that Carl Gillett's much publicized dimensioned theory of realization is incoherent, being subject to a reductio. Their argument turns on the fact that Gillett's definition of realization makes property instances the exclusive relata of the realization relation, while his belief in multiple realization implies its denial, namely, that properties are the relata of the realization relation on occasions of multiple realization. Others like Sydney Shoemaker have also expressed their view of realization in (...)
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  50. Aristoteles’te abese irca yöntemiyle ispatlama.Murat Kelikli - 2013 - Kutadgubilig Felsefe-Bilim Araştırmaları Dergisi 23:91-105.
    Redictio ad absurdum is an important part of Aristotle’s syllogistic. It is connected with direct proof and they are complementary methods. All moods of Aristotle are provable by direct methods and redictio ad absurdum. In this paper, I have studied on the bases and principles of redictio ad absurdum, I showed how to prove by redictio ad absurdum, and how to prove Aristotle by redictio ad absurdum. By redictio ad absurdum, all forms of Aristotle’s (...)
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