Authors
Tuomas E. Tahko
University of Bristol
Abstract
The goals of this paper are two-fold: I wish to clarify the Aristotelian conception of the law of non-contradiction as a metaphysical rather than a semantic or logical principle, and to defend the truth of the principle in this sense. First I will explain what it in fact means that the law of non-contradiction is a metaphysical principle. The core idea is that the law of non-contradiction is a general principle derived from how things are in the world. For example, there are certain constraints as to what kind of properties an object can have, and especially: some of these properties are mutually exclusive. Given this characterisation, I will advance to examine what kind of challenges the law of non-contradiction faces; the main opponent here is Graham Priest. I will consider these challenges and conclude that they do not threaten the truth of the law of non-contradiction understood as a metaphysical principle
Keywords law of non-contradiction  aristotle  priest  vagueness  dialetheism  metaphysical  change  zeno  paraconsistent  contradiction
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DOI 10.26686/ajl.v7i0.1806
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References found in this work BETA

A Survey of Metaphysics.E. J. Lowe - 2002 - Oxford University Press.
In Contradiction: A Study of the Transconsistent.N. C. A. Da Costa - 1989 - Philosophical Quarterly 39 (157):498-502.
On Truthmakers for Negative Truths.J. C. Beall - 2000 - Australasian Journal of Philosophy 78 (2):264 – 268.
Semantic Dialetheism.Edwin D. Mares - 2004 - In Graham Priest, J. C. Beall & Bradley Armour-Garb (eds.), The Law of Non-Contradiction. Clarendon Press.
Perceiving Contradictions.Graham Priest - 1999 - Australasian Journal of Philosophy 77 (4):439 – 446.

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Citations of this work BETA

Negation on the Australian Plan.Francesco Berto & Greg Restall - 2019 - Journal of Philosophical Logic 48 (6):1119-1144.
Dialetheism.Francesco Berto, Graham Priest & Zach Weber - 2008 - Stanford Encyclopedia of Philosophy 2018 (2018).
Dialetheism.Graham Priest - 2008 - Stanford Encyclopedia of Philosophy.

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