# \emptyset

The ∅ symbol (Empty set, U+2205), written as \emptyset in LaTeX math mode.

https://texform.dev/latex/symbols/emptyset

## Metadata

| Field | Value |
| --- | --- |
| Topic | [Letter-like symbols](https://texform.dev/latex/topics/letter-like) |
| Packages | base |
| Allowed mode | math |
| Glyph | ∅ |
| Unicode | U+2205 EMPTY SET |
| Delimiter | No |

## Syntax

```latex
\emptyset
```

Takes no arguments.

## Usage frequency

0.27% of formulas in the measured corpus contain this entry, rank 102 of 474 entries with frequency data.

## In TeXForm

TeXForm parses this entry as a character leaf mapped to U+2205 (EMPTY SET).

## See also

- [\\backslash](https://texform.dev/latex/symbols/backslash)
- [\\lnot](https://texform.dev/latex/symbols/lnot)
- [\\neg](https://texform.dev/latex/symbols/neg)