Review of Metaphysics 36 (3):591 - 606 (1982)

Thomas Upton
Gannon University
RECENT attempts to explain and justify Aristotle's principle of non-contradiction have focused to a great extent on the dialectical dimension of Aristotle's account. For example, T. Irwin maintains that Aristotle justifies the PNC by arguing that there is a sub-set of dialectical opinions which no one can rationally give up. J. Lear supports the importance of the dialectical dimension by summarizing Aristotle's defense of the PNC as follows: The opponent of the PNC tries to argue dialectically that one should not accept it. "Aristotle's point is that there is no conceptual space in which such a rational discussion can occur." By appealing to the limits of rationally, externally, expressible discourse as the basis of the PNC, Irwin and Lear fail to take seriously the more explicitly psychological and metaphysical bases of the PNC. C. Kirwan, and most recently, R. Smith also either argue against or ignore the role of the psychological and metaphysical bases. Smith goes so far as to argue that common axioms like the PNC are simply empty statement schemata of universal validity, i.e., general verbal forms or patterns which no one can deny with intelligibility.
Keywords Catholic Tradition  Contemporary Philosophy  General Interest
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Reprint years 1983
ISBN(s) 0034-6632
DOI revmetaph198336314
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O Princípio de Verdade (Ensaio de Reconstrução Filosófica da Teoria Aristotélica da Verdade).Nazareno Eduardo de Almeida - 2005 - Dissertation, Pontificia Universidade Católica de Porto Alegre (PUCRS), Brazil

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