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Equivalence relation

  1. Apr 9, 2010 #1
    [tex]\forall a,b\in \mathbb{Z}[/tex]

    [tex]a\sim b[/tex] iff. [tex]\left\vert a-b \right\vert \leq 3[/tex]

    I have already shown reflexive and symmetric but not sure on how to show transitive.

    I know the definition.
     
  2. jcsd
  3. Apr 9, 2010 #2

    Dick

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    Why don't you try to show it's not transitive?
     
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