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Discussion :: Sets, Relations and Functions

  1.  Let A = {1, 2, .....3 } Define ~ by x ~ y ⇔ x divides y. Then ~ is

    2. A.

    symmetric
    B.

    an equivalence relation
    C.

    a partial-ordering relation
    D.

    relexive, but not a partial-ordering

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    Answer : Option C

    Explanation :

    a partial-ordering relation

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