Since Ibn Mattawayh and Mm up until George Hourani and Marie Bernand, there is an unstoppable interest among scholars towards r theory of knowledge. This interest has increased after the publication of the works of the late Mub al-Mu Ul al-D and Kitaffu al-rAbd al-Jabb and other sources from his students and the late MuAbd al-JabbAbd al-Jabbn).