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2 ideas
9123 | Someone standing in a doorway seems to be both in and not-in the room [Priest,G, by Sorensen] |
Full Idea: Priest says there is room for contradictions. He gives the example of someone in a doorway; is he in or out of the room. Given that in and out are mutually exclusive and exhaustive, and neither is the default, he seems to be both in and not in. | |
From: report of Graham Priest (What is so bad about Contradictions? [1998]) by Roy Sorensen - Vagueness and Contradiction 4.3 | |
A reaction: Priest is a clever lad, but I don't think I can go with this. It just seems to be an equivocation on the word 'in' when applied to rooms. First tell me the criteria for being 'in' a room. What is the proposition expressed in 'he is in the room'? |
4333 | Contraries are by definition as far distant as possible from one another [Aristotle] |
Full Idea: Contraries are by definition as far distant as possible from one another. | |
From: Aristotle (Nicomachean Ethics [c.334 BCE], 1108b33) | |
A reaction: A nice concept and definition. Note that it is being used about ethics (the mean), not just about pure logic or mathematics. |