Definition: In mathematics, "coextends" is a concept used to describe an element that can be extended or extended in multiple ways. This means it has properties and operations that are independent of its original values and can be applied to any object. For example, consider the set S = {1, 2, 3} with the relation R on it defined as follows: R = {(x, y) ∈ S × S | x ≤ y} This means "coextends" an element x
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