In 2 volumes, a work aon Usul al-Fiqh characterized by accuracy, brilliance, and digression in mentioning details, and the abundance of evidence that clarifies opinions...the book is divided into different issues in which the author mentioned his opinion, the opinion of the opponents, and the most likely opinion of them based on the Qur’an and Sunnah. By Sheikh Safi al-Din al-Hindi al-Urmawi (644/1246 - 715/1315) an imam, jurist , Shafi’i theologian, and theologian of the Ash’ari school.