Write the smallest reflexive relation of set A = {1, 2, 3, 4}.
The smallest reflexive relation of set A = {1, 2, 3, 4} is as under:
As Relation R on a set A is said to be a reflexive relation on A if:
⇒ (a,a) ∈ R ∀ a ∈ A
⇒ R={(1,1),(2,2),(3,3),(4,4)}