Suppose X = {1, 2, 3, 4} and R is a relation on X.
If R = {(1, 1), (2, 2), (3, 3), (1, 2), (2, 1), (2, 3), (3, 2), (1, 3), (3, 1)}, then which one of the following is correct?
1
R is reflexive and symmetric, but not transitive
2
R is symmetric and transitive, but not reflexive
3
R is reflexive and transitive, but not symmetric
4
R is neither reflexive nor transitive, but symmetric