👉 The term "nullities" refers to a set of values that are not present in a given set. In other words, it is an empty set or collection of elements without any specific value. It can be defined as a subset of a larger set where all its elements are either present or absent. For example: - {1, 2} is the nullity of the set {1, 2}. - {3, 4, 5} is the nullity of the