Thesis Title: The Rule Of " Certainty Shall Not Be Warded Off By Doubt." - An Applied Rootig Study By Dr. Abdul Karim Zidan University, College And Department: Republic Of Yemen/ Andalusia University For Science And Technology/College Of Arts And Humanities - Department Of Islamic Studies Study Level:  Master’s  Degree Specialization: Comparative Jurisprudence Researcher Name: Yaqout Abdul-Wali Muhammad Abdul-Latif The Supervisor Of The Thesis: Dr. Mutee Muhammad Shebalah Date Of Discussion Of The Dissertation: 19 Shaban 1443 AH corresponding to March 23 - March 2022 AD Members Of The Discussion And Judgment Committee:    Dr. Ali Hassan Muthana (Chairman)    Dr. Mutee Muhammad Shebalah (Member)    Dr. Ali Abdullah Siraj (Member)