Mohamed Atia Abadullah Al-Saddaey, a student in linguistics in the Arabic language department, defende his Master’s thesis entitled “Restrictions of Muhammad Arafa al-Desouki on Mughni Al-Labib with Mustafa Ben Muhammad Ben Arafa al-Desouki’s Experience from the Beginning of the Letter Law to the End of the Script (Investigation and Study) ). The viva took place at the postgraduate studies vivas room at the Faculty of Education, on Thursday morning, March 11, 2021. The examining committee consisted of: 1- Dr. Omar Ali al-Barouni, chair and supervisor, Misurata University. 2- Dr. Khaled Mohamed al-Saghayer, examiner, the Libyan Academy of Misurata. 3- Dr. Hussain ALhadi al-Sharif, examiner, Asmarya University. The thesis was approved with a 90% grade. Congratulations to the candidate and the supervisor.