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  1. Como e por que a Metafísica Aristotélica Estuda o Princípio da Não-Contradição?Pedro Lemgruber - 2025 - Anais de Filosofia Clássica 18 (35):105-125.
    In Metaphysics Gamma, Aristotle attributes to metaphysics the study of the Principle of Non-Contradiction (PNC). He then defends this attribution and, throughout book Gamma, develops arguments about the PNC. We'll seek to understand, first, why Aristotle includes the PNC among the objects of study of metaphysics. In order to do that, we'll examine the argument Aristotle offers in Gamma to defend this inclusion, and we'll relate it to how Aristotle conceives metaphysics and the scientific knowledge of principles. Following that, we'll (...)
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  2. Problemas Relacionados à Definição e o Significado no Argumento Elêntico de Aristóteles.Pedro Lemgruber - 2025 - Revista Primordium 9 (18):323–344.
    Em Metafísica Gamma 4, Aristóteles argumenta contra supostos negadores do Princípio da Não-Contradição. O argumento elêntico, assim chamado devido à sua estrutura argumentativa que se assemelha a uma refutação (elenchus), é a parte mais notória dessa argumentação. Esse argumento começa com uma fala de um interlocutor hipotético, que deve ao menos enunciar algum termo significativo. Em seguida, uma definição desse termo deve ser dada. Então, tendo afirmado uma definição, o interlocutor de Aristóteles não poderia contradizer o que enunciou, sob pena (...)
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  3. How to Defend the Law of Non-Contradiction without Incurring the Dialetheist’s Charge of (Viciously) Begging the Question.Marco Simionato - 2024 - Organon F: Medzinárodný Časopis Pre Analytickú Filozofiu 31 (2):141-182.
    According to some critics, Aristotle’s elenctic defence (elenchos, elenchus) of the Law of Non-Contradiction (Metaphysics IV) would be ineffective because it viciously begs the question. After briefly recalling the elenctic refutation of the denier of the Law of Non-Contradiction, I will first focus on Filippo Costantini’s objection to the elenchus, which, in turn, is based on the dialetheic account of negation developed by Graham Priest. Then, I will argue that there is at least one reading of the elenchus that might (...)
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  4. Aristotle’s Argument from Truth in Metaphysics Γ 4.Graham Clay - 2019 - Analysis 79 (1):17-24.
    Some of Aristotle’s statements about the indemonstrability of the Principle of Non-Contradiction (PNC) in Metaphysics Γ 4 merit more attention. The consensus seems to be that Aristotle provides two arguments against the demonstrability of the PNC, with one located in Γ 3 and the other found in the first paragraph of Γ 4. In this article, I argue that Aristotle also relies upon a third argument for the same conclusion: the argument from truth. Although Aristotle does not explicitly state this (...)
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  5. Aristotle, Protagoras, and Contradiction: Metaphysics Γ 4-6.Evan Keeling - 2013 - Journal of Ancient Philosophy 7 (2):75-99.
    In both Metaphysics Γ 4 and 5 Aristotle argues that Protagoras is committed to the view that all contradictions are true. Yet Aristotle’s arguments are not transparent, and later, in Γ 6, he provides Protagoras with a way to escape contradictions. In this paper I try to understand Aristotle’s arguments. After examining a number of possible solutions, I conclude that the best way of explaining them is to (a) recognize that Aristotle is discussing a number of Protagorean opponents, and (b) (...)
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  6. Protagoras Through Plato and Aristotle: A Case for the Philosophical Significance of Ancient Relativism.Ugo Zilioli - 2013 - In Jan Van Ophuijsen, Marlein Van Raalte & Peter Stork (eds.), Protagoras of Abdera: the Man, his measure. Boston: Brill.
    In this contribution, I explore the treatment that Plato devotes to Protagoras’ relativism in the first section of the Theaetetus (151 E 1–186 E 12) where, among other things, the definition that knowledge is perception is put under scrutiny. What I aim to do is to understand the subtlety of Plato’s argument about Protagorean relativism and, at the same time, to assess its philosophical significance by revealing the inextric¬ability of ontological and epistemological aspects on which it is built (for this (...)
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  7. 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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  8. Significação e Linguagem no Livro Gamma da Metafísica de Aristóteles.Thiago Silva Freitas Oliveira - 2009 - Dissertation, University of Campinas
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  9. (1 other version)Aristóteles, Metafísica Livros IV e VI.Lucas Angioni - 2007 - Campinas, Brazil: Instituto de Filosofia e Ciências Humanas, Universidade de Campinas.
    Translation of Aristotle's Metaphysics IV and VI, with notes. The translation is preliminary and intended as a provisional teaching tool to be also used in seminars and discussions with peers in order to reach a more elaborated version.
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  10. Um Estudo sobre a Delimitação da Filosofia como Ciência do Ente enquanto Ente em Aristóteles.Carlos Alexandre Terra - 2003 - Dissertation, University of Campinas, Brazil
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  11. Princípio da Não-Contradição e Semântica da Predicação em Aristóteles.Lucas Angioni - 1999 - Analytica. Revista de Filosofia 4 (2):121-158.
    My object is Aristotle's discussion of principle of non-contradiction in the first stretch of Metaphysics IV.4. My main focus rests on the connections between Aristotle's discussion of the principle and some key notions of his (explicit or implied) semantics.
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