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Que. Consider the binary relation R = {(x, y), (x, z), (z, x), (z, y)} on the set {x, y, z}. Which one of the following is TRUE?
a. R is symmetric but NOT antisymmetric
b. R is NOT symmetric but antisymmetric
c. R is both symmetric and antisymmetric
d. R is neither symmetric nor antisymmetric
Answer:R is neither symmetric nor antisymmetric
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