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1. Prove that the following compound propositions are tautologies by using the laws or I logic. 2. Prove that the following compound propositions are logically

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1. Prove that the following compound propositions are tautologies by using the laws or I logic. 2. Prove that the following compound propositions are logically equivalent by using the laws of propositional logic a. (p q) v (p r) and p (q v r)

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