# LibTmux.FSharp.Filter.negate

- **Module:** LibTmux.FSharp
- **Package:** LibTmux.FSharp
- **Language:** F#
- **Kind:** function
- **Source:** https://github.com/libtmux/libtmux-dotnet/blob/cf34b255c896d19a97e7d7fabea58609c916012d/src/LibTmux.FSharp/Query.fsi#L96
- **Page:** https://libtmux.org/en/fsharp/latest/reference/libtmux-fsharp-filter-negate/

```
val negate: filter: Filter<'T> -> Filter<'T>
```

Negates a portable predicate.

## Parameters

- `filter` (`Filter<'T>`)