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Relations that are both reflexive and anti-reflexive or both symmetric and anti-symmetric. (a) Is it possible to have a relation on the set {a, b,

Relations that are both reflexive and anti-reflexive or both symmetric and anti-symmetric.

(a)

Is it possible to have a relation on the set {a, b, c} that is both reflexive and anti-reflexive? If so, give an example.

(b)

Is it possible to have a relation on the set {a, b, c} that is both symmetric and anti-symmetric? If so, give an example.

please explain, thank you in advance.

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