proposition: Lemma isziso_from_Terminal_to_Terminal (T T' : Terminal) : is_z_isomorphism (TerminalArrow T T').
proof: Proof. exists (TerminalArrow T' T). now split; apply TerminalEndo_is_identity. Defined.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Core.NaturalTransformations UniMath.CategoryTheory.Core.Univalence UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.FunctorCategory UniMath.CategoryTheory.Limits.Products UniMath.CategoryTheory.Monics