This course addresses the methodology related to the principles of Islamic jurisprudence (Usul al-fiqh). The development of Islamic law in the early history of Islam, the emergence of ijtihad (Islamic legal interpretation) together with the revealed and non-revealed sources of law and methodology of Usul al-fiqh will also be addressed. In addition, the four primary sources of law as well as other supplementary sources of law used in the practice of ijtihad will be discussed.