Intersection

Notation

$A\cap B$ $A,B$

Formal Definition

The formal definition is $A\cap B=\{x|x\in A\wedge x\in B\}$

N-th Number of Set Intersection

With sets $S_1,\dots ,S_n$

• $S_1\cap \cdots \cap S_n=\{s|\forall i,s\in S_i\}$