proposition: Lemma TerminalArrowEq {T : Terminal} {a : C} (f g : a --> T) : f = g.
proof: Proof. now rewrite (TerminalArrowUnique f), (TerminalArrowUnique g). Qed.
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