Which of the following is (are) true?....
Which of the following is (are) true?
(1) \( p \wedge(q \vee r) \equiv(p \vee q) \wedge(p \vee r) \)
(2) \( p \wedge(q \vee r) \equiv(p \wedge q) \vee(p \wedge r) \)
\( \mathrm{P} \)
(3) \( p \vee(q \wedge r) \equiv(p \wedge q) \wedge(p \vee r) \)
(4) \( p \vee(q \wedge r) \equiv(p \vee q) \wedge(p \vee r) \)
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