Question: 3. Define a binary relation E on Z as follows: For all m, n Z, mEn 3|(m n). - a) Prove that E is

3. Define a binary relation E on Z as follows: For all

3. Define a binary relation E on Z as follows: For all m, n Z, mEn 3|(m n). - a) Prove that E is an equivalence relation. b) Describe the distinct equivalence classes of E.

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