👉 Complementalness is a concept in mathematics and logic that describes the relationship between two sets. It states that if A and B are two sets, then there exists at least one element x such that (A ∩ B) = {x}. This means that every element of set A is also an element of set B. For example, consider the sets A = {1, 2, 3} and B = {5, 6, 7}. The complemental of
