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thebookofshaders/glossary/not.md

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## Not
Logically invert a boolean vector
### Declaration
```glsl
bvec2 not(bvec2 x)
bvec3 not(bvec3 x)
bvec4 not(bvec4 x)
```
### Parameters
```x``` specifies the vector to be inverted.
### Description
```not()``` logically inverts the boolean vector ```x```. It returns a new boolean vector for which each element ```i``` is computed as ```!x[i]```.
### See Also
[any()](index.html#any.md), [all()](index.html#all.md)