👉 In mathematics, an overmeasure is a property of a set that indicates whether it is contained within another set. Specifically, an overmeasure is defined as a subset which is not contained in any other subset of the same kind. The concept of an "overmeasure" arises from the idea that if we have two sets A and B, then if A contains elements x1, ..., xn, and B does not contain any element greater than or equal to x1, ..., xn, then A is