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Determine whether (pq)r is equivalent to p(qr). Question 6. (8 points) Show that the following conditional statement is a tautology by using a chain of

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Determine whether (pq)r is equivalent to p(qr). Question 6. (8 points) Show that the following conditional statement is a tautology by using a chain of logical identities. Do not use the truth table. (p(pq))

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