Question: Prove the following statement: a bi-implication is true if and only if the hypothesis and the conclusion have the same truth value, i.e., use propositional

Prove the following statement: a bi-implication is true if and only if the hypothesis and the conclusion have the same truth value, i.e., use propositional logic (NOT TRUTH TABLE) to prove:

1) p q (p q) (p q)

2) e (s m) (s e) (m e) (s m e)

NOT TRUTH TABLE

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