Mu'tamadul Osoul Part One This book includes notes taken by His Eminence from the lectures of Imam Khomeini. It consists of 529 pages and focuses on various topics such as Amr (Order) and Nahy (forbidding), Mafahim (Concepts), 'Aam (Generals) and Mutlaq (absolutes), rules of certainty and Zan (guess) and principle of Baraat (clearance from obligation).The first part includes these subjects.