Science Fair Projects Ideas - Contraposition

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Contraposition

In logic, contraposition is the tautology

(P \rightarrow Q) \Leftrightarrow (\neg Q \rightarrow \neg P).

In logic, it is often useful when proving a

P \rightarrow Q-type

statement, to simply prove its contrapositive.

Last updated: 10-15-2005 20:29:41
Science Fair Project Encyclopedia Contents Page
10-26-2009 08:16:03
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