Kanz al-Wusûl ilâ Ma'rifah al-Usûl, the work of Fakhr al-İslâm Abû al-'Usr al-Pazdawî and the contribution of the subject of "utterances" (alfâz) in this work to the science of İslamic jurisprudence

In this thesis, the contribution of ?Kanzu?l-Vusûl ilâ Ma`rifati?l-Usûl?, written by al-Pazdawî, to Islamic Jurisprudence has been explored with reference to the subject of utterances (alfâz), which is related semantics of words.In the first section, some information about al-Pazdawî?s life and his concept of ?Usûl? based on the book under stu dy. In the following section, a detailed knowledge on the development of Islamic Jurisprudence before al-Pazdawî, and the jurist of his time have been laid down. In the third section, comparing the subjects of utterances, of words, the contribution made by al-Pazdawî to the field has been thoroughly explained. The contents of the four methodological books that were studied in the thesis, are supplemented in a schema to the end of the study.What has been achieved in this study is that the development of Islamic Jurisprudence was excelled by al-Pazdawî by producing the most coherent and systematic works in the field; hence, from then onwards Islamic Jurisprudence has been relied on these works.