القواعد الفقهية المستخدمه من كتاب البحر الرائق لابن نجيم الحنفي

The research study the "jurisprudential rules extracted from the book "Al-Bahr Al-Ra'iq" by Ibn Nujaim Al-Hanafi, who died (970 AH). The researcher chose this book firstly for the well-known scientific status of its author and his book "Al-Bahr Al-Ra'iq" The researcher defined the terminology and principles of jurisprudence, and studied the history of the jurisprudential rule, its origin, the development of its terminology and its most prominent characteristics. Then he presents a chapter on the rules found in the book (Al-Bahr Al-Ra'iq) and the sub-issues that fall under each rule by returning each branch to its origin. He compares what was stated in the book as a jurisprudential body for the Hanafis, and the rest of the four schools of jurisprudence, in specific aspects related to the rule and Ibn Nujaim's application of it in various cases and issues. The originality of this research lies in collecting these rules by extracting them from this book, and comparing them with what was mentioned in other books and texts, and to know how to apply them, including what Ibn Nujaim applied in terms of facts and rulings in various jurisprudential issues, It also helps to understand Ibn Nujaim's jurisprudential personality, due to his deep understanding of the fundamentals of the Hanafi school of jurisprudence with his intelligence and farsightedness. The researcher followed the inductive and analytical approach when collecting jurisprudential rules and their applications scattered in the books of jurisprudence and principles, analyzing these rules and extracting what branches from them and builds on them from the jurisprudential branches. He also followed the comparative approach when comparing the Hanafi school with other schools of jurisprudential issues and rules, highlighting similarities and differences. The most important results reached: Statement of the sources from which Ibn Nujaim took his rulings and rules, As well as presenting models for the application of these jurisprudential rules in various jurisprudential events according to Ibn Nujaim's understanding, as well as Ibn Nujaim's reasoning with many jurisprudential rules that have a valid legal origin from the Qur'an or Sunnah. Ibn Nujaim also benefited from what the previous scholars left in Islamic jurisprudence, and his sources came all authentic which considered as mother books of the Hanafi school such as: Al-Nihaayah Sharh of Al-Hidaya, al-Sarraj al-Wahaj, Explanation of Mukhtasar Al-Qadouri and Explanations of al-Wiqayah and al-Niqayah, and so on.