Ø Ù Ø Ø Ù ) , known in Latin as Alboacen ( 972-1058 CE ) , was an Arab Muslim jurist of the Shafii school . Ø Ù Ø Ø Ù ) , known in Latin as Alboacen ( 972-1058 CE ) , was an Arab Muslim jurist of the Shafi ` i school most remembered for his works on religion , government , the caliphate , and public and constitutional law during a time of political turmoil .