fact: Definition essentially_surjective_nat_z_iso {C₁ C₂ : category} {F G : C₁ ⟶ C₂} (τ : nat_z_iso F G) (HF : essentially_surjective F) : essentially_surjective G.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Core.TransportMorphisms UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.Core.Univalence