fact: Definition arrow_mor00_eq {C : category} {f f' : arrow C} {mor mor' : f --> f'} (H : mor = mor') : arrow_mor00 mor = arrow_mor00 mor'.
imports: UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Prelude UniMath.CategoryTheory.PrecategoryBinProduct UniMath.CategoryTheory.opp_precat UniMath.CategoryTheory.DisplayedCats.Core UniMath.CategoryTheory.DisplayedCats.SIP UniMath.CategoryTheory.DisplayedCats.Total UniMath.CategoryTheory.Limits.Graphs.Colimits