Question: How to prove this? 3. (16 points) Let S be a nonempty set and SO be a xed nonempty prOper subset of 8. Let R

How to prove this?

3. (16 points) Let S be a nonempty set and SO be a xed nonempty prOper subset of 8. Let R be the relation on the power set 73(3) of 5' dened by ARB if AAB Q So. (a) Prove that R is an equivalence relation on 73(3). (b) Let S = {1,2,3,4} and SD = {3,4}. Find all the distinct equivalence classes and hence give a partition of 73(3) with reSpect to R

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