If \( p \) and \( q \) be any two statements then which of the following is (are) true?....

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If \( p \) and \( q \) be any two statements then which of the
\( \mathrm{P} \)
following is (are) true?
(1) \( p \wedge q \equiv q \wedge p \)
W.
(2) \( p \vee q \equiv q \vee p \)
(3) \( \sim(p \vee q) \equiv \sim p \vee \sim q \)
(4) \( \sim(p \wedge q) \equiv \sim p \vee \sim q \)


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