20. Let A={-1,1,2,4} and B = {1,2} and define relations Rand S from A to B as follows: For all (x, y) E A X B, x Ry x Sy
Posted: Thu May 12, 2022 9:25 am
20. Let A={-1,1,2,4} and B = {1,2} and define relations Rand S from A to B as follows: For all (x, y) E A X B, x Ry x Sy → px] = lyl and ☆ x - y is even. State explicitly which ordered pairs are in A x B, R, S, RUS, and RNS.