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Math Help - Set exercise

  1. #1
    Junior Member
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    Exclamation Set exercise

    Hello

    Is this correct?

    [(AUBUC)∩(AUB)]-[(AU(B-C))∩A] = CUB

    Thanks
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  2. #2
    A Plied Mathematician
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    The Venn diagrams do not seem to bear that conclusion out. I think you can see that

    (A\cup B\cup C)\cap(A\cup B)=A\cup B.

    Can you similarly simplify A\cup(B-C))\cap A?
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