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For each of these relations on the set {1,2,3,4}, decide whether it is: a) reflexive, b) symmetric, c)transitive. R1: ((2, 2), (2, 3) (2,4),(3,2),(3,3),(3,4) R2:

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For each of these relations on the set {1,2,3,4}, decide whether it is: a) reflexive, b) symmetric, c)transitive. R1: ((2, 2), (2, 3) (2,4),(3,2),(3,3),(3,4) R2: {(1,1),(1,2),(2,1),(2,2),(3,3),(4,4)} R3: (2,4),(4,2) R4: (1,2),(2,3),(3,4) R5: (1,3),(1,4),(2,3),(2,4),(3,1),(3,4)

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