Question

Let R be relation in the set A = {1,2,3,4,5} defined by R = {(a, b) : | a- b| is even, a,b∈ A}. show that (i) (a, a) ∈ R, for all a ∈ A . (ii) (a, b) ∈ R implies that (b,a) ∈ R (iii) (a,b) ∈ R and (b,c) ∈R implies that (a,c) ∈ R.

Answer 1

Answer:

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