Let A = {a,b,c,d,e) and Ri = {(a, a),(6,b),(a, b),(e, a),(a, e),(d, d),(d, e) a relation on A. a) Find a symmetric relation R2 on A which contains all pairs of R, and such that R2 # AXA b) Find an equivalence relation R3 on A which contains all pairs of R, and such that R3 # AXA
