Box# class discopy.closed.Box(name, dom, cod, **params)[source]# Bases: discopy.monoidal.Box, Diagram A closed box is a monoidal box in a closed diagram. Parameters: name (str) – The name of the box. dom (Ty) – The domain of the box, i.e. its input. cod (Ty) – The codomain of the box, i.e. its output.