Definition skewmonoidal_triangle_eq (V : skewmonoidal_category) : ∏ (a b : V), ρ' a #⊗ id b · α' a I b · id a #⊗ λ' b = id (a ⊗ b) := pr1 (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.