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Reported Question / Answer
Q.) Which of the following are tautologies?
1)
(P v (P → Q )) → P
2)
((P v Q) ^ Q) ↔ Q
3)
((P v Q) ^ Ë¥P) → Q
4)
((P v Q) ^ P) → P
5)
NULL
Answer :
3
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Human Verification : Answer 2 + 3 = ?
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