proposition: Lemma bind_identity {C : category} {T : Monad C} (a : C) : bind (identity (T a)) = (μ T) a.
proof: Proof. unfold bind. rewrite functor_id. apply id_left. Qed.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.Core.NaturalTransformations UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Adjunctions.Core UniMath.CategoryTheory.Monads.Monads UniMath.CategoryTheory.whiskering