class discopy.pivotal.Box(name, dom, cod, data=None, z=0, **params)[source]#

Bases: discopy.rigid.Box, Diagram

A pivotal box is a rigid box in a pivotal diagram.

  • 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.

property is_conjugate#

Whether the box is a conjugate, i.e. the transpose of a dagger.