al-Udda fi Usul al-Fiqh
- Author died
- 458 AH
- Editions
- Dr. Ahmad ibn 'Ali ibn Sayr al-Mubarki
al-Udda fi Usul al-Fiqh (The Equipment in Legal Theory) is a treatise on Islamic jurisprudence and legal methodology by the Hanbali jurist and judge al-Qadi Abu Ya'la Ibn al-Farra (380–458 AH / 990–1066 CE) . It is considered the earliest comprehensive, systematically comparative manual of legal theory (usul al-fiqh) compiled within the Hanbali school .
Method and Sources
In formulating the work's methodological structure, comparative framework, and dialectical argumentation, Abu Ya'la drew substantially upon non-Hanbali models, principally the Usul (also known as al-Fusul fi al-Usul) of the Hanafi jurist al-Jassas and al-Mu'tamad by the Mu'tazili Shafi'i scholar Abu al-Husayn al-Basri . His substantive doctrine and textual evidence, however, were compiled and edited directly from extant Hanbali sources across jurisprudence, doctrine, and transmitted rulings of Ahmad ibn Hanbal .
Throughout the text, Abu Ya'la cites earlier Hanbali authorities; when he quotes "Abu Ishaq" without further attribution, his intended reference is to Ibn Shaqla and his commentary on al-Khiraqi's Mukhtasar . He also cites the work on legal theory by his contemporary Abu al-Fadl al-Tamimi (d. 410 AH) . Abu Ya'la subsequently prepared an abridgment of the work titled Mukhtasar al-Udda .
Reception and Influence
al-Udda became a foundational reference point for later Hanbali theorists. Subsequent scholars frequently cited Abu Ya'la's opinions and preferences, and Ala al-Din al-Mardawi gave particular prominence to recording his legal-theoretical positions in his compendium Tahrir al-Manqul .
Manuscripts and Publication
The work survived in a single known historical manuscript preserved at Dar al-Kutub al-Misriyya in Cairo (MS 76 Usul Fiqh) . Copied by an unnamed scribe on Saturday, 17 Ramadan 729 AH, this manuscript was transcribed directly from the autograph copy of the Hanbali scholar Najm al-Din Ibn Hamdan . The codex consists of 257 folios of large format (21 × 30 cm) with twenty-five lines per page, bearing on its title leaf an added inscription mistakenly naming it al-Umda fi Usul al-Fiqh alongside an endowment note from Sultan al-Mu'ayyad Shaykh to his madrasa at Bab Zuwayla .
The text was edited and critically verified by Ahmad ibn Ali ibn Sayr al-Mubaraki and published in Beirut by Mu'assasat al-Risala (1400 AH), with subsequent printings issued in Riyadh (including a second edition in 1410 AH / 1990 CE across five sequentially numbered parts, and a third edition in 1414 AH) .
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