Parmenides seems to fasten on that which is one in definition, Melissus on that which is one in matter, for which reason the former says that it is limited, the latter that it is unlimited;
Badirudi Parmenidesek Bata kontzeptua den aldetik aipatu duela eta Melisok, materia den aldetik (hau dela eta, batak mugatua dela esaten du 20) eta besteak mugagabea dela).