Question: Show that the relation R in the set {1, 2, 3) given by R = {(1, 2), (2, 1)) is symmetric but neither reflexive

Show that the relation R in the set {1, 2, 3) given

Show that the relation R in the set {1, 2, 3) given by R = {(1, 2), (2, 1)) is symmetric but neither reflexive nor transitive.

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