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Logic and Proof
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Which of the following is a tautology?
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A
(P → Q) ∨ (Q → P)
💡 Explanation:
A tautology is a compound proposition that is always true, regardless of the truth values of its component propositions. In this case, (P → Q) ∨ (Q → P) is a tautology because it is always true, no matter whether P and Q are true or false.