👉 Pertensiness is a concept in mathematics that refers to the property of a set or object being contained within another set. It can be defined as the degree to which an object belongs, or what it is related to. In other words, if A is a subset of B, we say that A pertains to B. For example: - If A = {1, 2, 3}, then A pertains to the set {1, 2, 3}. -
