Taj al-Din al-Subki -may Allah have mercy on him- wrote a summary at Usul al-Fiqh, collecting of his explanations and what he had memorized this science, So put it in book called “Jama' Aljawama' al-Fiqh” its virtue was well-known among scholars, they worked with as teaching, memorization, explanation, organization, Shams Al-Din Al-Eizari, may him, set out for objection discussion. Raised scien...