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Part Il: Proving logical equivalence using laws of propositional logic (50 pt.) 4. (30 pt.) Use the laws of propositional logic to prove that the

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Part Il: Proving logical equivalence using laws of propositional logic (50 pt.) 4. (30 pt.) Use the laws of propositional logic to prove that the following compound propositions are logically equivalent. b. (5 pt.) -p (q vr) and (qp)A (r+p) c. (10 pt.) -(p V(qA (p)) and np A(q r)

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