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Show that the relation R={(1,1),(1,4),(2,2),(2,3),(3,3),(3,2),(4,1),(4,4)} is an equivalence relation and contrust the associated directed graph.

Show that the relation R={(1,1),(1,4),(2,2),(2,3),(3,3),(3,2),(4,1),(4,4)} is an equivalence relation and contrust the associated directed graph.

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