👉 The term "non-extreme" is used in mathematics and logic to describe a property that does not necessarily follow from the other properties of a set or relation. It refers to a property where one element is greater than another, but not more so than the other. For example, if we have two sets A and B, where A ≠ B, then there are certain elements in A that are greater than or equal to elements in B. For instance: - A = {1, 2