👉 In mathematics, the term "unionised" is used to describe a mathematical operation that combines two or more sets. This means that if two sets are given as inputs to an operation, then the output of the operation will also be a set containing all elements from both input sets. For example: ``` A = {1, 2, 3} B = {4, 5, 6} Unionised: (A ∪ B) = {1, 2,
