To prove the statement P is tautologically equivalent to the statement Q, it is enough to prove that _______.

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📊 Discrete Mathematics

Q. To prove the statement P is tautologically equivalent to the statement Q, it is enough to prove that _______.

(A) P conditional Q is a contradiction
(B) P conditional Q is a tautology
(C) P biconditional Q is a contradiction
(D) P biconditional Q is a tautology

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✅ Correct Answer: (D) P biconditional Q is a tautology

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