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Math Help - Urgent HW help

  1. #1
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    Urgent HW help

    Provide a relation on the integers that
    a) is reflexive, is symmetric, but is not transitive

    b) is not reflexive, not symmetric, and is transitive

    Help?!
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  2. #2
    MHF Contributor

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    Try this relation for part a.
    nRm\, \Leftrightarrow \,\left| {n - m} \right| \le 1

    For part b, think about 'less than'.
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  3. #3
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    Thank you so much! I've got it now
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