Let R = {(1, 3), (4, 2), (2, 4), (2, 3), (3, 1)} be a relation on the set A = {1, 2, 3, 4}, the relation R is

R is not symmetric as (2, 3) ∈ R but (3, 2) ∉R. It is not transitive as (1, 3), (3, 1)∈ R. but (1, 1) ∉R so is not reflexive also. Again as (2, 4) and (2, 3) ∈ R, it is not a function