Answer to Question #316067 in Discrete Mathematics for Alamanda

Question

Let R₁ and R₂ be the relations on {1,2,3,4} given by

R₁ = {(1,1), (1,2), (3,4), (4,2)}

R₂ = {(1,1), (2,1), (3,1), (4,4), (2,2)}