fact: Definition monfunstnid n : monfunstn n n := make_monfunstn (idfun _) (λ x y is, is).
imports: UniMath.MoreFoundations.Tactics UniMath.Combinatorics.FiniteSets UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.FunctorCategory UniMath.CategoryTheory.Categories.HSET.Core UniMath.CategoryTheory.Categories.HSET.Univalence UniMath.CategoryTheory.opp_precat