The first episode of a series of talks with the logician and philosopher Graham Priest (CUNY) about contradiction. In this episode Prof. Priest explains (in outline) what is the Principle of Non Contradiction.
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Very few philosophers dared to question the Principle of Non Contradiction, which says that contradictions cannot be true. The principle has gone so unquestioned that hardly any philosopher since Aristotle tried to defend it. Graham Priest belongs to the small number of philosophers who - in the good company of Heraclitus and Hegel - have dared to question it. He thinks that some contradictions are true. Here is why.
