Outrageously Funny Word Dictionary :: Overcloseness

👉 In mathematics, overclosure is a property of sets that refers to a set containing more elements than its complement. This means that if you take the union of an infinite number of sets and then remove some of their elements, the resulting set will contain more elements than the original set, even though it has been removed from the space. For example, consider the set S = {1, 2, 3, ...}. If we take its union with itself (i.e., S ∪

overcloseness