# \varnothing

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

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

## Metadata

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

## Syntax

```latex
\varnothing
```

Takes no arguments.

## Usage frequency

0.05% of formulas in the measured corpus contain this entry, rank 159 of 474 entries with frequency data.

## In TeXForm

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