Further (11) there is the question which is hardest of all and most perplexing, whether unity and being, as the Pythagoreans and Plato said, are not attributes of something else but the substance of existing things, or this is not the case, but the substratum is something else,-as Empedocles says, love;
5) Denetan zailena eta aporia handienera eramaten duena zera da: Bata eta "Den-a", Pitagorikoek eta Platonek esaten zuten bezala, den guztiaren substantzia baino ez al dira, ala bestelako zerbait da azpigaia, Enpedoklesek Adiskidetasuna, beste norbaitek Sua, beste batek Ura edo Airea direla esaten duten bezala?