Define a Relation $R$ On the Set $\{ 1,2,3,4 \}$ As Follows $$R = \{ ( 1,4 ) , ( 2,3 ) , ( 2,4 ) , ( 4,1 ) , ( 2,1 ) , ( 1,2 ) , ( 3,2 ) \}$$

Essay

Define a relation $R$ on the set $\{ 1,2,3,4 \}$ as follows:
$$R = \{ ( 1,4 ) , ( 2,3 ) , ( 2,4 ) , ( 4,1 ) , ( 2,1 ) , ( 1,2 ) , ( 3,2 ) \}$$
(a) Is $R$ symmetric? Justify your answer.
(b) Is $R$ transitive? Justify your answer.