Mathematics · Set Theory
Suppose S is an infinite set. Assuming that the axiom of choice holds, which of the following is true?
- 1S is in bijection with the power set of S.
- 2S is in bijection with S × S.✓
- 3S is in bijection with the set of real numbers.
- 4S is in bijection with the set of rational numbers.
Correct answer
S is in bijection with S × S.
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