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Old 12-19-2006, 10:01 PM
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Botnst Botnst is offline
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Quote:
Originally Posted by Kuan View Post
Do you recognize proof by reductio ad absurdum?

You would like to prove S. You assume not-S, and if not-S implies a contradiction of the form A and not-A, then S is true.
I always get the ad absurdum part. It's the reductio that eludes me.
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