fact: Definition actegory_triangle_identity {C : category} {A : action_data C} (au : action_unitor_data A) (aα : actor_data A) := ∏ (v : V) (y : C), (aα v I_{Mon_V} y) · (v ⊗^{A}_{l} (au y)) = (ru_{Mon_V} v) ⊗^{A}_{r} y.
imports: UniMath.MoreFoundations.All UniMath.Foundations.All UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.Core.NaturalTransformations UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Equivalences.Core UniMath.CategoryTheory.Equivalences.FullyFaithful UniMath.CategoryTheory.Monoidal.WhiskeredBifunctors UniMath.CategoryTheory.Monoidal.Categories