# \blacktriangleleft

The ◂ symbol (Black left-pointing small triangle, U+25C2), written as \blacktriangleleft in LaTeX math mode.

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

## Metadata

| Field | Value |
| --- | --- |
| Topic | [Relations](https://texform.dev/latex/topics/relations) |
| Packages | ams |
| Allowed mode | math |
| Glyph | ◂ |
| Unicode | U+25C2 BLACK LEFT-POINTING SMALL TRIANGLE |
| Delimiter | No |

## Syntax

```latex
\blacktriangleleft
```

Takes no arguments.

## Usage frequency

<0.01% of formulas in the measured corpus contain this entry, rank 310 of 474 entries with frequency data.

## In TeXForm

TeXForm parses this entry as a character leaf mapped to U+25C2 (BLACK LEFT-POINTING SMALL TRIANGLE).