proposition: Lemma Nat_β {C: HSET} (h: pr1hSet C -> pr1hSet C) (x: pr1hSet C): Nat_rec h x Z = x.
proof: Proof. apply idpath. Defined.
imports: UniMath.Foundations.Init UniMath.Foundations.Preamble UniMath.Foundations.PartA UniMath.Foundations.Sets UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.FunctorAlgebras UniMath.CategoryTheory.Categories.HSET.Core UniMath.CategoryTheory.Categories.HSET.Structures