# \nsupseteq

The ⊉ symbol (Neither a superset of nor equal to, U+2289), written as \nsupseteq in LaTeX math mode.

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

## Metadata

| Field | Value |
| --- | --- |
| Topic | [Negated relations](https://texform.dev/latex/topics/negated-relations) |
| Packages | ams |
| Allowed mode | math |
| Glyph | ⊉ |
| Unicode | U+2289 NEITHER A SUPERSET OF NOR EQUAL TO |
| Delimiter | No |

## Syntax

```latex
\nsupseteq
```

Takes no arguments.

## Usage frequency

<0.01% of formulas in the measured corpus contain this entry, rank 393 of 474 entries with frequency data.

## In TeXForm

TeXForm parses this entry as a character leaf mapped to U+2289 (NEITHER A SUPERSET OF NOR EQUAL TO).