👉 The term "antipodean" is a term used in the field of mathematics and logic, specifically within the context of set theory. It refers to an element that has no elements in common with any other element in the set. In set theory, if A is a set and there exists an element b such that (b ∪ {a}) = A, then we say that b is an antipode of a. In other words, b is an antipode of a