Iẓuran n tedyezt ttuɣalen ɣer Aristote i iɛewlen ad yesnulfu  Tiẓri tamatut n tẓuri tadyazant 1 anida id nekkes isebtaren yaɛnan snat n tewsatin tiseklanin: lpop d tragdie. Yella-d ɣef  tazrawt n tẓuri taseklant am usnulfu imawi2. Tadyezt-agi tesɛa snat n twuriwin mgaraden-t:  aglam n iferdisen ad isnulfun tawsit(tragedie ou pop)  aktazal n snat n tewsatin-agi deg wayen yaɛnan tarennawt-nset neɣ azal-nsent.