👉 In mathematics and logic, "unionisms" are a type of logical system that can be used to define the concept of unions. Unionisms are also known as "unional systems," which is a more general term for this concept. A unionism is a system where two or more sets are combined into one set, represented by an ordered pair of sets, called a union. The elements in each set that are present in both sets can be combined to form the final result. The definition
