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1.The one-to-one correspondence between the positive rational numbers and the natural numbers implies what conclusion about...

1.The one-to-one correspondence between the positive rational numbers and the natural numbers implies what conclusion about the cardinality of the two sets?

2. Is it possible to form a one-to-one correspondence between the natural numbers and the real numbers? Is either set a proper subset of the other? What is the significance of the answer to these questions?

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