Let B = {0, 1, 2, 3} and define a relation U on B by
U = {(0, 2), (0, 3), (2, 0), (2, 1)}.
Is U transitive? Justify your answer.
U is not transitive because, for example, (0, 2) ? U and (2, 0) ? U but (0, 0) /? U.
Mathematics
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