Examine each of the following statements is true or false. (i) {a, b, c, d} and {a, b, c} are disjoint sets. (ii) {1, 2, 3, 4} and {5, 6, 7} are disjoint sets. (iii) {p, q, r,} and {a, b} are disjoint sets. (iv) {a} and {a, b} are disjoint sets. (v) {2, 5, […]