fact: Definition functor_enrichment_id (x : C₁) : enriched_id E₁ x · FE x x = enriched_id E₂ (F x).
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Prelude UniMath.CategoryTheory.Monoidal.Categories UniMath.CategoryTheory.EnrichedCats.Enrichment UniMath.CategoryTheory.Limits.Terminal