Let S be the set {a,b,c,d} and the relation R on S is {(a,a),(a,b),(b,b),(c,c),(b,c),(a,c)}. then, which one is true? a. R is reflexive, transitive, antisymmetric, not symmetric. b. R is not reflective, not transitive, antisymmetric, not symmetric. c. R is not reflexive, not transitive, antisymmetric, not symmetric. d. R is reflexive, not transitive, antisymmetric, not symmetric.

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A: The solution is given below.

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A: I have solved both subpart using basic definition of equivalence relation and equivalence class.