Isufisyen imeqqranen n temdint n Athnes merra d iberraniyen, anagar Antiphon : gar yiberraniyen-a mucaɛen, yella Prodicos n Cos, Hippias n Elis, maca wid icennan neɣ yeɛban gar-asen d Protagoras (486-410 qb. S.Ɛ.) yakk d Gorgias (485-374 qb. S.Ɛ.), ɣef dyewwi awal Platon xersum deg udlisines Gorgias.7