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Discussion :: Sets, Relations and Functions

  1.  Which of the following is not correct?

  2. A.

    A ÍA' if and only if A = ?

    B.

    B = C if and only if A U B = A U C and A ? B = A? C

    C.

    A' Í A if and only if A = X, where X is the universal set

    D.

    All of these

    View Answer

    Workspace

    Answer : Option D

    Explanation :

    All of these


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