👉 In mathematics, the concept of "containment" refers to a property that a set belongs to another set. This can be represented by using logical operators such as "is" or "is not." For example, if we have two sets A and B, where A is contained in B, then A must contain all elements of B. In this context, the term "containment" refers to a property that allows us to identify which objects are considered part of another set. It can be