👉 In logic and computer science, a "subjoin" is a notation used to denote an element that is a subset of another element. It is often used when working with sets or relations in mathematics and computer science. For example, if we have two sets A and B: A = {x | x is even} B = {y | y is odd} The "subjoin" between these two sets would be written as: A ∩ B This notation represents the set of all
