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Math Help - Set Theory

  1. #1
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    Set Theory

    Hi learning about set theory but the below question is confusing me a little. I know the question is stating the universal set for all natural numbers below or equal 16 just not sure what its stating for sets A,B,C. Its says x is an element of the universal set such that 2/x?? Is that 'divides'?? or Cardinality?? Or what?? Not sure.

    Bit of help would be great.
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  2. #2
    MHF Contributor

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    Tejas
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    Re: Set Theory

    i would say "divides"
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