# Libtmux.Expr.all

- **Module:** Libtmux
- **Package:** libtmux
- **Language:** OCaml
- **Kind:** function
- **Source:** https://github.com/libtmux/libtmux-ocaml/blob/205dfda49742592b479247049d186956e4a4cfe9/lib/libtmux.mli#L577
- **Public owner:** Libtmux
- **Page:** https://libtmux.org/en/ocaml/latest/reference/libtmux-expr-all/

```
val all : 'a t list -> 'a t
```

Boolean conjunction; the empty conjunction is true.

## Parameters

- `arg1` (`'a t list`)