Complete the proof of Lemma 5.1.2(b) by showing that if andare one-to-one
Chapter 5, Problem 4(choose chapter or problem)
Complete the proof of Lemma 5.1.2(b) by showing that if andare one-to-one correspondences, then givenby f (a, b) = (h(a), g(b)) is a one-to-one correspondence.
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