👉 The term "uncomplementary" is often used in mathematics to describe a set of numbers that are not pairwise mutually exclusive. In other words, it describes a set where there exists at least one element that is not present in both of its members. For example: - The set {1, 2} is uncomplementary because 1 is not present in the set. - The set {3, 4, 5} is uncomplementary because 3 and 4 are