Answer to Question #327396 in Discrete Mathematics for kevin

Question

For each of these relations on the set {1,2,3,4}, decide whether it is reflexive, symmetric, antisymmetric and/or transitive and then draw the graph of the relation.

a. {(1,1), (2,2), (3,3), (4,4)}

b. {(1,2), (2,3), (3,4)}

c. {(1,1), (1,2), (2,1), (2,2), (3,3), (4,4)}

d. {(2,4), (4,2)}

e. {(2,2), (2,3), (2,4), (3,2), (3,3), (3,4)}

f. {(1,3), (1,4), (2,3), (2,4), (3,1), (3,4)}