👉 In mathematics, a preadjunct is an element of a set that can be added to another element in such a way that the result is unique. For example, if we have two sets A and B, then a preadjunct of B from A is defined as any element x in A that satisfies the condition that for every y in B, there exists an index i such that x + y = y + x. The term "preadjunct" has been used in various contexts to
