👉 In mathematics, a restitutions is a way of expressing the concept of a quotient in terms of its parts. In other words, it is a relation that expresses the relationship between two sets or relations. For example, let's say we have two sets A and B, where: - Set A contains 25 elements - Set B contains 10 elements The quotient set R = (A × B) / (A + B) can be represented as a restitution