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Equivilence Relations And Classes Problems

  1. Jan 16, 2008 #1
    Hi guys

    I am having trouble with this question (i have attached). Any help with it would be very much appreciated.

    Many thanks in advance

    Pete
     

    Attached Files:

  2. jcsd
  3. Jan 16, 2008 #2
    dear PeteSteve
    you are expected to prove that the relation ~ is reflexiv,symmetric and transitive.
    To show that ~ in 1a is reflexiv you must show that x ~ x for all x in Z . You can prove this by observing that 0 = x- x is divisible by m. The symmetric and transifive case can be proven in a similar way.
     
  4. Jan 16, 2008 #3
    Hi dalle

    I understand what I need to do now, thanks a lot for your help with the problem

    Pete
     
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