Let P be the wff A S B. Prove or disprove whether P is
Chapter 1, Problem 30(choose chapter or problem)
Let P be the wff A S B. Prove or disprove whether P is equivalent to any of the following related wffs. a. the converse of P, B S A b. the inverse of P, A S B c. the contrapositive of P, B S A
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