Question: Problem 4. (20 points) a) (12 points) Prove that F = {(27, y) | 9: y E Z} on the set R is an equivalence

Problem 4. (20 points) a) (12 points) Prove that F = {(27, y) | 9: y E Z} on the set R is an equivalence relation. b) (8 points) Give a description of what each part in the resulting partition looks like. c) Prove that G = {(11,319) | w y E N} on the set R is not equivalence relation

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