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Math Help - Urgent HELP plz.....

  1. #1
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    Red face Urgent HELP plz.....

    Given three sets A, B, and C, set X = (A-B) U (B-C) U (C-A) and
    Y = (A∩B∩C) complement C. Prove that X is subset of Y. Is Y necessarily a subset of X? If yes, prove it. If no, why???

    Can someone help me out here...
    Thanks
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  2. #2
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    Look at this:
    Attached Thumbnails Attached Thumbnails Urgent HELP plz.....-p90.gif  
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  3. #3
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    yea I got this... but I don't know how to approach to the prove..
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