Question

List all possible equivalence relations on the set (1,2,3) containing (1.2) and (2.1).​

Answer 1

Answer:

Let the given set be A={1,2,3}

Therefore, the equivalence relation on A is

R = {(1,1),(1,2),(1,3),(2,1),(2,2),(2,3),(3,1),(3,2),(3,3)}