fact: Definition FreeCatFunctor : @Functor QuiverCategory StrictCat := (LeftAdjointFunctorFromUniversalArrows Forgetful (fun _ => @UniversalArrowQuiverCat _ )).
imports: Category.Lib Category.Lib.TList Category.Theory.Category Category.Theory.Isomorphism Category.Theory.Functor Category.Theory.Adjunction Category.Theory.Universal.Arrow Category.Instance.StrictCat Category.Construction.Groupoid Category.Construction.Opposite Category.Construction.Product Category.Instance.Sets