Outrageously Funny Word Dictionary :: Nonidentities

👉 A nonidentity is a property or characteristic that does not have an equivalent in another set of objects. For example, if a person has two eyes but no nose, then they cannot have both an eye and a nose in the same set of people. In mathematics, nonidentities are fundamental to many concepts such as group theory, which deals with symmetry and structure, and set theory, which deals with collections of things. Nonidentities can be thought of as the "missing pieces" that make

nonidentities