👉 Pseudomutuality is a concept in mathematics that refers to a property of certain mathematical structures or objects that are not true for all possible instances. It was first introduced by Robert M. Ash and Daniel J. Hoffman in 1970, and it has since been generalized to many other areas of mathematics. In pseudomutualities, the structure or object is either "pseudomorphic" or "mutually pseudomorphic" (or both), meaning that it can be considered
