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Let a set A=A1 cupA(2) . . . cup Ak wher...

Let a set `A=A_1 cupA_(2) . . . cup A_k` where `A_i capA_j=phi` for `i!= j , 1 le i , j le k` Define the relation R from A to A by `R = {(x, y) : y in A_j` if and only if `x in A_i , 1 lei le k` }. Then, R is :

A

reflexive, symmetric but not transitive

B

reflexive, transitive but not symmetric

C

reflexive but not symmetric and transitive

D

an equivalence relation

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