Question: Exercise 1.4.2: Truth tables to prove logical equivalence. About Use truth tables to show that the following pairs of expressions are logically equivalent. (a) p

Exercise 1.4.2: Truth tables to prove logical equivalence. About Use truth tables to show that the following pairs of expressions are logically equivalent.

(a) p q and (p q) (q p)

(b) (p q) and p q

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