Let $X$ be a D11: Set.
The complement of $E \subseteq X$ within $X$ is the D11: Set
\begin{equation}
X \setminus E
:= \{ x \in X : x \not\in E \}
\end{equation}
▼ | Set of symbols |
▼ | Alphabet |
▼ | Deduction system |
▼ | Theory |
▼ | Zermelo-Fraenkel set theory |
▼ | Set |
▼ | Set difference |