inrCompAssociator — Mathlib

English

There is a canonical isomorphism inr_ (C ⊕ D) E ⋙ associator C D E ≅ inr_ D E ⋙ inr_ C (D ⊕ E).

Русский

Существует каноническое изоморфное отображение inr_ (C ⊕ D) E ⋙ ассоциатор C D E ≅ inr_ D E ⋙ inr_ C (D ⊕ E).

LaTeX

$$CategoryTheory.Sum.inr_ (Sum C D) E ⋅ associator C D E ≅ inr_ D E ⋅ inr_ C (D ⊕ E)$$

Lean4

/-- Characterizing the composition of the associator and the right inclusion. -/
@[simps!]
def inrCompAssociator : inr_ (C ⊕ D) E ⋙ associator C D E ≅ inr_ D E ⋙ inr_ C (D ⊕ E) :=
  (Functor.inrCompSum' _ _)

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