Category:Class Intersection

From ProofWiki
Jump to navigation Jump to search

This category contains results about Class Intersection.
Definitions specific to this category can be found in Definitions/Class Intersection.

Let $A$ and $B$ be two classes.

The (class) intersection $A \cap B$ of $A$ and $B$ is defined as the class of all sets $x$ such that $x \in A$ and $x \in B$:

$x \in A \cap B \iff x \in A \land x \in B$


$A \cap B = \set {x: x \in A \land x \in B}$