Lemma functorBinarySum_map_eqn {B C:category} (sum : BinarySums C) (F G F' G' : [B,C]) (p:F-->F') (q:G-->G') (b:B) : binarySumMap_2 (functorBinarySum sum F G) (functorBinarySum sum F' G') p q ◽ b = binarySumMap_2 (sum (F ◾ b) (G ◾ b)) (sum (F' ◾ b) (G' ◾ b)) (p ◽ b) (q ◽ b).
Require Import UniMath.Foundations.Preamble. Require Import UniMath.CategoryTheory.Core.Categories. Require Import UniMath.CategoryTheory.Core.Isos. Require Import UniMath.CategoryTheory.Core.Functors. Require Import UniMath.CategoryTheory.Core.Univalence. Require Import Require Import Require Import UniMath.MoreFoundations.Tactics.