[Holy Qur'anالقرآن الكريم](/en/kuran)

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# Principles of Jurisprudence (Usul al-Fiqh)

Foundational texts of Islamic legal theory establishing the methodology of deriving rulings from the Qur'an, Sunnah, scholarly consensus (ijma'), and analogical reasoning (qiyas).

## Works in this field

* İmam Şâfiî - er-Risâle (usûlü'l-fıkh)  
İmam Şâfiî · 204 AH  
ar[Read](/en/kutuphane/usul-0204shafici-risala-jk000143-ara1-txt)
* Serahsî - Usûlü's-Serahsî (usûlü'l-fıkh)  
Şemsü'l-Eimme es-Serahsî · 490 AH  
ar[Read](/en/kutuphane/usul-0483ibnahmadsarakhsi-usul-jk000211-ara1-txt)
* Gazâlî - el-Müstasfâ (usûlü'l-fıkh)  
Hüccetü'l-İslâm İmâm Gazâlî · 505 AH  
ar[Read](/en/kutuphane/usul-0505ghazali-mustasfa-jk000276-ara1-txt)

## Scholars in this field

[Hüccetü'l-İslâm İmâm Gazâlî](/en/alimler/huccetu-l-islam-imam-gazali)[İmam Şâfiî](/en/alimler/imam-safii)[Şemsü'l-Eimme es-Serahsî](/en/alimler/semsu-l-eimme-es-serahsi)