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Math Help - Difficult exercise for me

  1. #1
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    Difficult exercise for me

    Proved to mathematical relationships is true


    I know it is silly but I need your help
    and I want to summaries or exercises for this section (Logic Algebra and Sets)
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  2. #2
    Senior Member Tinyboss's Avatar
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    This is an exercise in carefully following the definitions. Look in your book for the precise definitions of these operations, then write them out. For instance, on the first one, start with

    \{x\in \{y\in A\mid y\notin B\}\mid x\notin C\}

    and go from there.
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  3. #3
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    Quote Originally Posted by Tinyboss View Post
    This is an exercise in carefully following the definitions. Look in your book for the precise definitions of these operations, then write them out. For instance, on the first one, start with

    \{x\in \{y\in A\mid y\notin B\}\mid x\notin C\}

    and go from there.
    thanx Tinyboss
    but i dont understand how solve exercise for use this \{x\in \{y\in A\mid y\notin B\}\mid x\notin C\}
    sorry but i haven't any exercise similar to the solution
    I want a complete solution for one of these exercises plz
    thanx again for u
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