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Dialetheism

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[Revised entry by Graham Priest, Francesco Berto, and Zach Weber on June 22, 2018. Changes to: Main text, Bibliography] A dialetheia is a sentence, (A), such that both it and its negation, (neg A), are true. If falsity is assumed to be the truth of negation, a dialetheia is a sentence which is both true and false. Such a sentence is, or has, what is called a truth value glut, in distinction to a gap, a sentence that is neither true nor false. (We shall talk of sentences throughout this entry; but one could run the definition in terms of propositions, statements, or whatever one takes as one's favourite truth-bearer: this would make little difference in the context.)...

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News source: Stanford Encyclopedia of Philosophy

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