This excerpt is an incomplete translation of the section which Ibn Khaldun devotes to the subject of the Mahdi, and comprises in full his study of the ahadith on him. If we examine first the ‘aqidahs which are acknowledged, such as those of at-Tahawi, an-Nasafi, or Ibn Abi Zayd al-Qayrawani (in his Risalah and the Kitab al-Jami‘) …