The Intersection of Sets

For some things to intersect means for them to cross paths, to have something in common.

Much similarly, the intersection of two sets is denoted by the following symbol:And represents the intersection of two sets, a set of elements that both sets have in common.

Let's consider the following sets as an example:The set C, that is the intersect of A and B will then be:Indeed, A and B only have the numbers 3 and 5 in common.

Of course, just like there is an intersection of sets, there is also:

The Union of Sets