fact: Definition FunctorToLocalization_is_iso : ∏ (x y : C) (f : x --> y) (s : SOM x y f), is_iso (# FunctorToLocalization f).
imports: UniMath.Foundations.PartD UniMath.Foundations.Propositions UniMath.Foundations.Sets UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Core.Functors