> For the complete documentation index, see [llms.txt](https://docs.cascade.io/cascade/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.cascade.io/cascade/functions-and-expressions/functions/logical/not.md).

# NOT

NOT( `condition` )

Returns `true` if the input `condition` is `false`, and false if the input `condition` is true

### Arguments

| Argument    | Description                |
| ----------- | -------------------------- |
| `condition` | Boolean expression to test |

### Output

Outputs `true` if `condition` is `false`. Otherwise outputs `false`.

### Example

{% embed url="<https://datawrapper.dwcdn.net/0NvPA/1/>" %}

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