# \nLeftrightarrow

The ⇎ symbol (Left right double arrow with stroke, U+21CE), written as \nLeftrightarrow in LaTeX math mode.

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

## Metadata

| Field | Value |
| --- | --- |
| Topic | [Arrows](https://texform.dev/latex/topics/arrows) |
| Packages | ams |
| Allowed mode | math |
| Glyph | ⇎ |
| Unicode | U+21CE LEFT RIGHT DOUBLE ARROW WITH STROKE |
| Delimiter | No |

## Syntax

```latex
\nLeftrightarrow
```

Takes no arguments.

## Usage frequency

<0.01% of formulas in the measured corpus contain this entry, rank 436 of 474 entries with frequency data.

## In TeXForm

TeXForm parses this entry as a character leaf mapped to U+21CE (LEFT RIGHT DOUBLE ARROW WITH STROKE).