David Bourget (Western Ontario)
David Chalmers (ANU, NYU)
Rafael De Clercq
Jack Alan Reynolds
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Australasian Journal of Logic 7:32-47 (2009)
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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Citations of this work BETA
Tuomas E. Tahko (2014). The Metaphysical Interpretation of Logical Truth. In Penelope Rush (ed.), The Metaphysics of Logic: Logical Realism, Logical Anti-Realism and All Things In Between. Cambridge University Press 233-248.
Tuomas E. Tahko (2011). A Priori and A Posteriori: A Bootstrapping Relationship. Metaphysica 12 (2):151-164.
Douglas Kutach (2013). Causation and Its Basis in Fundamental Physics. Oxford University Press.
Luis Estrada-González (2014). On the Possibility of Realist Dialetheism. SATS 15 (2):197-217.
Enrico Berti (2014). Objections to Aristotle’s Defence of the Principle of Non-Contradiction. In Elena Ficara (ed.), Contradictions: Logic, History, Actuality. De Gruyter 97-108.
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