intersection of sets

Let $X,Y$ be sets. The intersection of $X$ and $Y$, denoted $X\cap Y$ is the set

$$X\cap Y=\{z:z\in X,z\in Y\}$$

Title	intersection of sets
Canonical name	IntersectionOfSets
Date of creation	2013-03-22 14:01:50
Last modified on	2013-03-22 14:01:50
Owner	drini (3)
Last modified by	drini (3)
Numerical id	6
Author	drini (3)
Entry type	Definition
Classification	msc 03Exx