Definition skewmonoidal_alpha_lambda_eq (V : skewmonoidal_category) : ∏ (a b : V), α' I a b · λ' (a ⊗ b) = λ' a #⊗ id b := pr1 (pr2 (pr2 eq)).
Require Import UniMath.Foundations.PartD. Require Import UniMath.CategoryTheory.Core.Categories. Require Import UniMath.CategoryTheory.Core.Isos. Require Import UniMath.CategoryTheory.Core.NaturalTransformations. Require Import UniMath.CategoryTheory.Core.Functors. Require Import UniMath.CategoryTheory.ProductCategory. Require Import UniMath.CategoryTheory.PrecategoryBinProduct. Require Import UniMath.CategoryTheory.whiskering.