Question: Exercise 2.1.37. Let p, q, r be propositions. Prove that is a tautology. [p (qr)] [(p q) (pr)]

Exercise 2.1.37. Let p, q, r be propositions. Prove that is a

Exercise 2.1.37. Let p, q, r be propositions. Prove that is a tautology. [p (qr)] [(p q) (pr)]

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