Symbols:Set Theory/Element/Negation

Not an Element

$\notin$

To denote the statement that $x$ is not an element of a set $S$, we can write:

$x \notin S$

The $\LaTeX$ code for \(x \notin S\) is x \notin S .

Sources

• 2014: Christopher Clapham and James Nicholson: The Concise Oxford Dictionary of Mathematics (5th ed.) ... (previous) ... (next): Appendix $14$: Symbols