👉 The term "exceptant" in mathematics refers to a binary operation on sets. In set theory, the set of all subsets of a given set A is denoted by A × {∅}, where ∅ represents the empty set. The operation that corresponds to this set is the intersection operation, which takes two sets and returns the collection of elements that are in both sets. In other words, if A is any set and B is another set, then the set of all subsets of A intersect