Abu Ya'la ibn al-Farra'
Abū Yaʿlā Muḥammad ibn al-Ḥusayn Ibn al-Farrāʾ, commonly known as al-Qāḍī Abū Yaʿlā or simply as Ibn al-Farrāʾ, was a Hanbali Jurist, Athari theologian.
Abu Ya'la was a scholar, judge, and one of the early Muslim jurists who played dynamic roles in formulating a systematic legal framework and constitutional theory on Islamic system of government during the first half of 11th century in Baghdad.
Works
al-Qāḍī Abū Yaʿlā authored many works, including:Kitāb al-Muʿtamad fī Uṣūl al-Dīnal-Aḥkām al-SulṭāniyyaIbṭāl al-Taʾwīlāt li-Aḫbār al-Sifāt- ''al-ʿUdda fī Uṣūl al-Fiqh''