Let A = {1, 2, 3} and consider the relation R = {(1, 1), (2, 2), (3, 3), (1, 2), (2, 3), (1, 3)}. Then R is
A. reflexive but not symmetric
B. reflexive but not transitive
C. symmetric and transitive
D. neither symmetric, nor transitive
Answer:A
Let A = {1, 2, 3} and consider the relation R = {(1, 1), (2, 2), (3, 3), (1, 2), (2, 3), (1, 3)}. Then R is
A. reflexive but not symmetric B. reflexive but not transitive C. symmetric and transitive D. neither symmetric, nor transitive