Suppose F: X Y is one-to-one. a. Prove that for all
Chapter 7, Problem 7.100(choose chapter or problem)
Suppose F: X Y is one-to-one. a. Prove that for all subsets A X, F1(F(A)) = A. b. Prove that for all subsets A1 and A2 in X, F(A1 A2) = F(A1)F(A2).
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