The proposition \( (p \rightarrow \sim p) \wedge(\sim p \rightarrow...

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The proposition \( (p \rightarrow \sim p) \wedge(\sim p \rightarrow p) \) is
(1) a tautology
(2) a contradiction
(3) equivalent to \( p \rightarrow p \)
(4) equivalent to \( \sim p \rightarrow \sim p \)
\( \mathrm{P} \)
W
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