proposition: Theorem iscontr_nat_trans_set_enrichment : iscontr (nat_trans_enrichment τ (functor_set_enrichment F) (functor_set_enrichment G)).
proof: Proof. refine (nat_trans_set_enrichment ,, _). intro. apply isaprop_nat_trans_enrichment. Qed.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Core.Univalence UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.Core.NaturalTransformations UniMath.CategoryTheory.Categories.HSET.All UniMath.CategoryTheory.EnrichedCats.Enrichment UniMath.CategoryTheory.EnrichedCats.EnrichmentFunctor UniMath.CategoryTheory.EnrichedCats.EnrichmentTransformation UniMath.CategoryTheory.Monoidal.Categories UniMath.CategoryTheory.Monoidal.Examples.SetCartesianMonoidal