# \llbracket

The ⟦ symbol (Mathematical left white square bracket, U+27E6), written as \llbracket in LaTeX math mode.

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

## Metadata

| Field | Value |
| --- | --- |
| Topic | [Delimiters](https://texform.dev/latex/topics/delimiters) |
| Packages | base |
| Allowed mode | math |
| Glyph | ⟦ |
| Unicode | U+27E6 MATHEMATICAL LEFT WHITE SQUARE BRACKET |
| Delimiter |  |

## Syntax

```latex
\llbracket
```

Takes no arguments.

## Usage frequency

0.02% of formulas in the measured corpus contain this entry, rank 201 of 474 entries with frequency data.

## In TeXForm

TeXForm parses this entry as a character leaf mapped to U+27E6 (MATHEMATICAL LEFT WHITE SQUARE BRACKET).