👉 In mathematics, a pre-extend is a term used to describe a set of numbers that are larger than all the other numbers in the set. For example, if we have a set {1, 2, 3} and we want to define the pre-extend of this set, we can say that any number greater than 1 is also included in our pre-extend. For instance: 1. Pre-extend: {1, 2, 3} 2. Pre
