👉 In logic, the term "unexcluding" is used to describe a set that excludes every element from another set. For example, if A ≠ B and C ≠ D, then A ∩ B = ∅ (the empty set), A ∪ C = ∅, and B ∩ C = ∅ (again, the empty set). This means that there is no common element between sets A, B, C, or D.
