Thun/docs/reference/bool.md

## bool Basis Function Combinator bool(x) -> bool Returns True when the argument x is true, False otherwise. The builtins True and False are the only two instances of the class bool. The class bool is a subclass of the class int, and cannot be subclassed. Gentzen diagram. ### Definition if not basis. ### Derivation if not basis. ### Source if basis ### Discussion Lorem ipsum. ### Crosslinks Lorem ipsum.