Suppose P1, P2, …, Pn and Q are (possibly molecular) propositional statements. Suppose further that P1 P2 ⋮ Pn ∴ Q is a valid deduction rule. Prove that the statement (P1 ∧P2 ∧⋯∧Pn) →Q is a tautology. | Numerade
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SOLVED:Suppose P and Q are (possibly molecular) propositional statements. Prove that P and Q are logically equivalent if any only if P ↔Q is a tautology.
SOLVED:Suppose P and Q are (possibly molecular) propositiona…
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