(b) Let set $A=\{1,2,3,4\}$ and let $R$ be an equivalence relation on $A$ partitions $A$ into $\{1,2\},\{3\},\{4)$. Find the relation $R$.
Explanation
To find the relation R, we need to consider the given partitions of set A. The partitions are {1,2}, {3}, and {4}. This means that 1 and 2 are related to each other, 3 is only related to itself, and 4 is related to 3 and 1.
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