Abà « YaÿlàMuḥammad ibn al-Ḥusayn Ibn al-FarrÃÂþ (April 990 â 15 August 1066), commonly known as al-QÃÂá¸Âë Abà « Yaÿlàor simply as Ibn al-FarrÃÂþ, 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.
al-QÃÂá¸Âë Abà « Yaÿlàauthored many works, including: