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Show that the set is infinite by placing it one-to-one correspondence with the proper subset of it self. Give the general term of the original set and show its pairing with its proper subset {19,21,23
Show that the set is infinite by placing it one-to-one correspondence with the proper subset of it self. Give the general term of the original set and show its pairing with its proper subset {19,21,23,25,27,...}