👉 In mathematics, "keratto" is a term used to describe a certain type of algebraic structure. It is often used in the context of group theory and ring theory, but it can also have other uses depending on the specific context. In group theory, a "keratto" is a set that is closed under the operation of taking inverses (also known as conjugation) for any element in the set. This means that if a group operation exists for elements from the set, then