Z = all integers(adsbygoogle = window.adsbygoogle || []).push({});

A = Z; m is related to n, means that [tex] m^2 - n^2 [/tex] is even;

B = {0,1}

I already proved that this is a equivalence relation, but i just dont know how to;

I need to find a well defined bejection

sigma : [tex] A_= -> B [/tex]

I hope this makes sense.. i wrote it up as well as I can.

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# Homework Help: Equivalence relations problem (algebra)

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