fact: Definition comma_ump_2_nat_trans : φ ==> ψ.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Core.NaturalTransformations UniMath.CategoryTheory.Core.Univalence UniMath.CategoryTheory.Categories.StandardCategories UniMath.CategoryTheory.Categories.Dialgebras UniMath.CategoryTheory.Categories.CatIsoInserter UniMath.CategoryTheory.Categories.EilenbergMoore UniMath.CategoryTheory.Subcategory.Core UniMath.CategoryTheory.Subcategory.Full UniMath.CategoryTheory.PrecategoryBinProduct UniMath.CategoryTheory.IsoCommaCategory UniMath.CategoryTheory.CommaCategories UniMath.CategoryTheory.DisplayedCats.Core UniMath.CategoryTheory.DisplayedCats.Univalence UniMath.CategoryTheory.DisplayedCats.Functors UniMath.CategoryTheory.DisplayedCats.Total UniMath.CategoryTheory.DisplayedCats.Fibrations UniMath.CategoryTheory.DisplayedCats.Examples.Reindexing UniMath.CategoryTheory.Monads.Monads UniMath.Bicategories.Core.Bicat UniMath.Bicategories.Core.Invertible_2cells UniMath.Bicategories.Core.Examples.BicatOfUnivCats UniMath.Bicategories.Limits.Final UniMath.Bicategories.Limits.Products UniMath.Bicategories.Limits.Pullbacks UniMath.Bicategories.Limits.CommaObjects UniMath.Bicategories.Limits.Inserters UniMath.Bicategories.Limits.Equifiers UniMath.Bicategories.Limits.IsoInserters UniMath.Bicategories.Limits.EilenbergMooreObjects UniMath.Bicategories.DisplayedBicats.Examples.MonadsLax UniMath.Bicategories.Monads.Examples.MonadsInBicatOfUnivCats