👉 In mathematics, a unexcluded set is a set that contains no elements. This means that it does not contain any element that has already been used or defined in another set. For example, if we have a set A and two sets B and C, then set A cannot be excluded from being included in set B because neither set contains the elements of set A, and therefore they are mutually exclusive. Similarly, set B cannot be excluded from being included in set C because neither set contains the
