A difficulty, and a reproach to any one who finds it no difficulty, are contained in the question how the elements and the principles are related to the good and the beautiful;
Bestalde, honako aporia hau sortzen da-eta arinegi konpondu 30) nahi duenak errieta merezi du-: Zein erlazio dute Ongiak eta Ederkiak osagai eta printzipioekin?