INTRODUCTION.A Brief Historical Overview of the emergence of Qiyās within Islamic Jurisprudence and Some Notes on the Life and Work of Abū Isḥāq al-Shīrāzī. By Soufi Youcef.I QIYĀS AL-ʿILLA.Abū Isḥāq al-Shīrāzī's System of Co-Relational Inferences of the Occasioning Factor1 Introduction2 A Dialectical Genealogy of Abū Isḥāq al-Shīrāzī's System...