Proposition left_strength_natural {x₁ x₂ y₁ y₂ : V} (f : x₁ --> x₂) (g : y₁ --> y₂) : f #⊗ #F g· tF x₂ y₂ = tF x₁ y₁ · #F(f #⊗ g). Proof. exact (pr12 tF x₁ x₂ y₁ y₂ f g). Qed.
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.Monads.Monads. Require Import UniMath.CategoryTheory.Monoidal.Categories. Import MonoidalNotations.