Category:Definitions/Set Difference

This category contains definitions related to Set Difference.
Related results can be found in Category:Set Difference.

The (set) difference between two sets $S$ and $T$ is written $S \setminus T$, and means the set that consists of the elements of $S$ which are not elements of $T$:

$x \in S \setminus T \iff x \in S \land x \notin T$