fact: Definition Monad_to_Kleisli_to_Monad {C : category} (T : Monad C) : Kleisli_to_Monad (Monad_to_Kleisli T) = T.
imports: UniMath.Foundations.PartD UniMath.MoreFoundations.Tactics UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.Core.NaturalTransformations UniMath.CategoryTheory.Monads.KTriples UniMath.CategoryTheory.Monads.Monads UniMath.CategoryTheory.Monads.RelativeMonads