proposition: 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: Proof. exact (pr12 tF x₁ x₂ y₁ y₂ f g). Qed.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.Core.NaturalTransformations UniMath.CategoryTheory.Monads.Monads UniMath.CategoryTheory.Monoidal.Categories