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Homework Help: Set proof

  1. Oct 4, 2013 #1
    1. The problem statement, all variables and given/known data

    How would I prove that A\cup B?


    Thank you

    Higgenz



    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Oct 4, 2013 #2

    haruspex

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    Do you mean "A or B"? by proving at least one of them is true.
     
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