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Thread: Schroeder-Bernstein Theorem

  1. September 8th 2007, 06:03 PM #1
    shilz222
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    Schroeder-Bernstein Theorem

    If f: A \to B and g: B \to A are injections, then there exists a bijection h: A \to B .

    So |A| \leq|B| and |B| \leq |A| then |A| = |B| .

    I dont understand the proof of this theorem.
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  2. September 8th 2007, 11:26 PM #2
    red_dog
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    See this http://www.cl.cam.ac.uk/~jeh1004/com.../schroeder.pdf
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