Consider the following relations on {1, 2, 3, 4). Which of the following relations are reflexive?
(A) R1 = {(1, 1), (1, 2), (2, 1), (2, 2), (3, 4), (4, 1), (4, 4))
(B) R2 = {(1, 1), (1, 2), (2, 1))
(C) R3 = {(1, 1), (1, 2), (1, 4), (2, 1), (2, 2), (3, 3), (4, 1), (4, 4))
(D) R4 = {(2, 1), (3, 1), (3, 2), (4, 1), (4, 2), (4, 3)}
(E) R5 = {(1, 1), (1, 2), (1, 3), (1, 4), (2, 2), (2, 3), (2, 4), (3, 3), (3, 4), (4, 4)}
Choose the correct answer from the options given below:
1
(A), (B) and (C) Only
2
(A), (D) and (E) Only
3
(D) and (E) Only
4
(C) and (E) Only