al-Fasl lil-Wasl al-Mudraj fi al-Naql
- Author died
- 463 AH
- Editions
- Dar al-Hijrah
al-Fasl lil-Wasl al-Mudraj fi al-Naql (Separating the Connected Interpolation in Transmission) is a specialized work on hadith criticism by the Baghdadi scholar and historian al-Khatib al-Baghdadi (d. 463 AH / 1071 CE), dedicated to identifying and analyzing interpolated additions (al-mudraj) in prophetic traditions.
Subject Matter and Structure
Al-Khatib al-Baghdadi was the first scholar to author an independent monograph exclusively devoted to the category of al-mudraj. In his introduction, he states that the work addresses narrations whose true status is obscure to many students and scholars of hadith, where extraneous statements have become seamlessly attached to texts or chains of transmission. The book comprises a total of 111 hadiths analyzed in detail.
The author systematically treats both types of interpolation:
- Interpolations in the text (mudraj al-matn): This occurs when extraneous statements are joined to prophetic words and transmitted as part of the Prophet's ﷺ speech. Al-Khatib divides these into three categories according to source: words originating from a Companion, words originating from a Successor (tabi'i), and words originating from later figures. Such additions occur at the beginning, in the middle, or at the end of a narration, the latter being the most common.
- Interpolations in the chain of transmission (mudraj al-isnad): Al-Khatib delineates four distinct categories for chain interpolations:
- A narrator possesses a matn through one chain except for specific words that come through a different chain, yet transmits the whole narration under a single chain without differentiation.
- A narrator appends words from an entirely different text into a narration.
- A group of transmitters agree on an isnad while one transmitter disagrees, and the divergent isnad is merged and presented as uniform.
- A Companion relates part of a text from another Companion who heard it from the Prophet ﷺ, and the narration is merged directly with what the first Companion heard personally.
Reception and Influence
The work established the structural foundations for the study of mudraj across subsequent hadith literature. Ibn al-Salah praised it in his Ulum al-Hadith, remarking that al-Khatib "satisfied and sufficed" (shafa wa-kafa) on the topic. It served as a primary reference cited by major systematizers of hadith methodology, including al-Nawawi, al-Iraqi, Ibn Hajar al-Asqalani, and al-Sakhawi.
Subsequent scholars composed adaptations and abridgments based on al-Khatib's work:
- Ahmad ibn Muhammad ibn Umar ibn Wajib al-Andalusi (d. 614 AH) prepared an early abridgment.
- Ibn Hajar reorganized and abridged the text according to subject headings and narrator chains (masanid), adding more than double the number of traditions in a work titled Taqrib al-Manhaj bi-Tartib al-Mudraj.
- Al-Suyuti summarized Ibn Hajar's work, focusing exclusively on textual interpolations while omitting isnads, in his treatise al-Mudraj ila al-Mudraj, which contains seventy traditions.
Manuscript Tradition
A single surviving primary manuscript of the text is preserved at the Ahmet III Library in Istanbul (MS 612). The manuscript consists of 152 folios, although earlier descriptions erroneously counted it as 243 folios due to its binding with a copy of Ibn al-Najjar's Mu'jam al-Shuyukh. The copy was completed on the morning of Monday, 8 Dhu al-Hijjah 676 AH, by Ahmad ibn Muhammad ibn Umar al-Kurdi and contains reading notes and collation marks by prominent traditionists, including Ibn Hajar al-Asqalani.
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