Box

class discopy.ribbon.Box(name, dom, cod, data=None, z=0, **params)

Bases: discopy.pivotal.Box, discopy.balanced.Box, Diagram

A ribbon box is a pivotal and balanced box in a ribbon diagram.

Parameters:

• name (str) – The name of the box.

• dom (pivotal.Ty) – The domain of the box, i.e. its input.

• cod (pivotal.Ty) – The codomain of the box, i.e. its output.