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3. Use logical equivalences to decide whether the compound proposition (q(pq))p is a tautology. answer: 4. Use the truth table to decide whether (pq)r and

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3. Use logical equivalences to decide whether the compound proposition (q(pq))p is a tautology. answer: 4. Use the truth table to decide whether (pq)r and (pr)(qr) are logically equivalent

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