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Math Help - Sets Help IV.

  1. #1
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    Sets Help IV.

    And please check these:

    5) (A-B')' - C'
    ({1,2,3} - {2,3,5})' - C'
    ({1,5})' - C'
    {0,2,3,4} - {0,1,3}
    = {2,4}

    6)
    (A∩U)' - B
    ({1,2,3})' - B
    {0,4,5} - {0,1,4}
    = {5}

    Are they correct?
    Last edited by Ackbeet; May 4th 2011 at 05:12 AM. Reason: Splitting thread.
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  2. #2
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    Quote Originally Posted by Alphard View Post
    And please check these:

    5) (A-B')' - C'
    ({1,2,3} - {2,3,5})' - C'
    ({1,5})' - C'
    {0,2,3,4} - {0,1,3}
    = {2,4}
    ({1, 2, 3} - {0, 1, 4}')' - {2, 4, 5}'
    ({1, 2, 3} - {2, 3, 5})' - {0, 1, 3}
    {1}' - {0, 1, 3}
    {0, 2, 3, 4, 5} - {0, 1, 3}
    {2, 4, 5}

    Quote Originally Posted by Alphard View Post
    6)
    (A∩U)' - B
    ({1,2,3})' - B
    {0,4,5} - {0,1,4}
    = {5}
    This is correct.

    -Dan
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