Similarly as number-crunching highlights double procedure on numbers, set hypothesis highlights twofold procedure on sets. [8] coming up next is an incomplete rundown of them: Association of the sets An and B, meant A U B, is the arrangement of all protests that are an individual from A, or B, or both.[9] For instance, the association of {1, 2, 3} and {2, 3, 4} is the set {1, 2, 3, 4}.