Definition inl_functor_data (C₁ C₂ : category) : functor_data C₁ (bincoprod_of_category C₁ C₂). Proof. use make_functor_data. - exact (λ x, inl x). - exact (λ _ _ f, f). Defined.
Require Import UniMath.Foundations.All. Require Import UniMath.MoreFoundations.All. Require Import UniMath.CategoryTheory.Core.Categories. Require Import UniMath.CategoryTheory.Core.Functors. Require Import UniMath.CategoryTheory.Core.NaturalTransformations. Require Import UniMath.CategoryTheory.Core.Isos. Require Import UniMath.CategoryTheory.Core.Univalence. Require Import UniMath.CategoryTheory.whiskering.