suppose p (x, y) is a predicate and the universe for the variables x and y is {1, 2, 3}. suppose p (1, 3), p (2, 1), p (2, 2), p (2, 3), p (3, 1), p (3, 2) are t rue, and p (x, y) is f alse otherwise. deter- mine the truth values of the following statements. brainlee