Sum

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Sum#

class discopy.symmetric.Sum(terms, dom=None, cod=None)[source]#

Bases: discopy.balanced.Sum, Box

A symmetric sum is a balanced sum and a symmetric box.

Parameters:

  • terms (tuple[Diagram, ...]) – The terms of the formal sum.

  • dom (Ty) – The domain of the formal sum.

  • cod (Ty) – The codomain of the formal sum.

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