To prove the statement P is tautologically equivalent to the statement – McqOptions

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1.	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
Answer» E.

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