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Math Help - symetric difference

  1. #1
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    Talking symetric difference

    How is the demonstration of this?


     <br />
(A\bigtriangleup B)\bigtriangleup C =     A\bigtriangleup (B\bigtriangleup c)<br />







    knowing that
     <br />
(A\bigtriangleup B) = (A/B)\cup(B/A)<br />
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    MHF Contributor red_dog's Avatar
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