fact: Definition ConeConnectIso {a b : CONE} (f : z_iso a b) : z_iso (ConeTop (pr1 a)) (ConeTop (pr1 b)) := tpair _ _ (iso_projects_from_CONE a b f).
imports: UniMath.Foundations.PartD UniMath.Foundations.Propositions UniMath.Foundations.Sets UniMath.MoreFoundations.PartA UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Core.Univalence UniMath.CategoryTheory.Core.Functors