👉 In the context of mathematics, "ordainable" refers to a set that can be arranged in such a way that no two elements are adjacent, but there is at least one element that is common to all elements. For example, consider the set {1, 2, 3} and the operation of arranging them into an ascending order: 1, 2, 3. This arrangement can be arranged in such a way that no two elements are adjacent (1 < 2