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Math Help - set related question -

  1. #1
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    SOLVED - set related question -

    I have another set related question here that I am trying to understand

    =============================
    A = U A = {x|x U x A}
    A = {1, 2, 5, 6}
    B = {2, 4, 7, 6, 1}
    U = {1, 2, 3, 4, 5, 6, 7, 8}
    =============================
    Last edited by iwan1981; July 9th 2011 at 03:53 AM.
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  2. #2
    MHF Contributor FernandoRevilla's Avatar
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    Re: set related question -

    You only need to apply the given definition. For example, B'=\{3,5,8\} .
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  3. #3
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    Re: set related question -

    Quote Originally Posted by FernandoRevilla View Post
    You only need to apply the given definition. For example, B'=\{3,5,8\} .
    I still don't understand ... What do you mean with "apply the given definition" ?

    Does this mean that if B'=\{3,5,8\}

    Then this should be A'=\{3,4,7,8\}

    and

    = {1,2,3,4,5,6,7,8}

    Am I correct?
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  4. #4
    MHF Contributor FernandoRevilla's Avatar
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    Re: set related question -

    Quote Originally Posted by iwan1981 View Post
    I still don't understand ... What do you mean with "apply the given definition" ?

    Does this mean that if B'=\{3,5,8\}

    Then this should be A'=\{3,4,7,8\}

    and

    = {1,2,3,4,5,6,7,8}

    Am I correct?
    Yes, you are.
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  5. #5
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    Re: set related question -

    Thank you very much!
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