Al-Qasas Al-Aqbool Al-Kashf For The Meanings Of The Criterion Of Intellects In The Sciences Of Debate And Origins Of The Imam Al-Hasan Ibn Izz Al-Din Ibn Al-Hasan Ibn Ali Al-Muayyad (862 Ah - 929 Ah) (1457-1522 Ad) From The Beginning Of The Book To The End Of The Chapter On Consensus - Study And Investigation PHD (Doctor of Philosophy) thesis by researcher: Muhammad Yahya Sharif Fadhel. This thesis was supervised by Professor Dr. Abdul Karim Zidan, and it was discussed in Republic of Yemen/ Sana’a University/ College of Arts/ Department of Islamic Studies in the year 1430AH / 2010 AD to obtain a PHD degree in Islamic Studies.