Category:Class Difference
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This category contains results about Class Difference.
Let $A$ and $B$ be two classes.
The (class) difference $A \setminus B$ of $A$ and $B$ is defined as the class of all sets $x$ such that $x \in A$ and $x \notin B$:
- $x \in A \setminus B \iff x \in A \land x \notin B$
or:
- $A \setminus B = \set {x: x \in A \land x \notin B}$
Pages in category "Class Difference"
The following 2 pages are in this category, out of 2 total.