Definition:Pairwise Disjoint

Definition
Let $$\mathbb S$$ be a set of sets such that:


 * $$\forall T_1, T_2 \in \mathbb S: T_1 \cap T_2 = \varnothing$$

Then the sets in $$\mathbb S$$ are said to be pairwise disjoint or mutually disjoint.