Prove that the relation on Z (integer) define by a~b iff a – b is divisible by 5. is an equivalence relation. Can anybody help me on this
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Originally Posted by rcs Prove that the relation on Z (integer) define by a~b iff a – b is divisible by 5. is an equivalence relation. Can anybody help me on this Prove that ~ is reflexive relation, symmetric and transitive.
Another little help: Reflexive: For all we have that is, is divisible by which means that Try the rest.
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