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Prove that the set F(N) of all finite subsets of N is countably infinite. Hint: Consider for all n N the set Sn of all
Prove that the set F(N) of all finite subsets of N is countably infinite. Hint: Consider for all n N the set Sn of all finite subsets of N whose maximal element is n.
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Introductory Algebra
Authors: Julie Miller, ONeill, Nancy Hyde
2nd Edition
0077473418, 9780077473419
