Category#

class discopy.compact.Category(ob=None, ar=None)[source]#

Bases: discopy.symmetric.Category, discopy.ribbon.Category

A compact category is both a symmetric category and a ribbon category.

Parameters
  • ob (type) – The objects of the category, default is pivotal.Ty.

  • ar (type) – The arrows of the category, default is Diagram.

ob#

alias of Ty

ar#

alias of Diagram