Let `A={1,2,3,4} and R={(1,1),(2,2),(3,3),(4,4),(1,2),(1,3),(3,2)}.` show that R is reflexive

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Let `A={1,2,3,4} and R={(1,1),(2,2),(3,3),(4,4),(1,2),(1,3),(3,2)}.` show that R is reflexive and transitive but not symmetric .
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