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Thread: True or False?

  1. October 11th 2012, 11:57 AM #1
    goldenrain
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    True or False?

    The cardinality of A = {∅} is one.
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  2. October 11th 2012, 11:58 AM #2
    jsweston828
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    Re: True or False?

    true
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  3. October 11th 2012, 12:36 PM #3
    HallsofIvy
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    Re: True or False?

    Yes, of course it is true. Look at it! It contains one thing, ∅.

    Were you mistaking this set for ∅ itself?
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