NCERT Example 4 - Relations and Functions
Question: Show that R = {(1, 1), (2, 2), (3, 3), (1, 2), (2, 3)} on {1, 2, 3} is reflexive but neither symmetric nor transitive.
Answer: R is reflexive; not symmetric; not transitive.
Full step-by-step NCERT solution with diagrams on Something by Zero.