👉 In mathematics, an internegative is a property of a set that is not true for all members of the set. For example, consider the set S = {1, 2, 3}. The internegative of S, denoted by ∅, is the empty set {}, which contains only one element, namely the empty set {}. This property can be defined as follows: If a set A has an internegative, then for every element x in A, there exists an element y such
