عنوان مقاله [English]
This research has been aimed to show the applied method of Ibn Idris (who influenced the Islamic jurisprudence – Fiqh). The way of the research is to analyze the contents of the influential book of Ibn Idris. The results show in his theoretical view, Quran (the Book), Sunnah (Traditions) and Ijma (Consensus) were based on Reason (Aql). This means all practical principles of Reason & Islamic law; jurisprudential rule; language principles and the Muslim Community methods (most of them were not common in his period) were of Reason (Rational Reason). He used Rational Reason in many cases which were Independent Reason (Aql) as the establishment of reason obligations; Reason as the exception to other three jurisprudential reasons; Reason as confirming other reasons; Reason as the establishment of general rules & principles and Reason as the practical principles.