Ruus al-Masail lil-Zamakhshari
- Author died
- 538 AH
- Editions
- Dār al-Bashā’ir al-Islāmiyyah lil-Ṭibā‘ah wal-Nashr wal-Tawzī‘
Ru'us al-Masa'il (The Core Legal Issues) is a concise treatise on comparative Islamic jurisprudence (ilm al-khilaf) by the Mu'tazili Hanafi scholar Abu al-Qasim Mahmud ibn Umar al-Zamakhshari (467–538 AH / 1075–1144 CE), focusing on the disputed legal questions between the Hanafi and Shafi'i madhhabs .
Purpose and Genre
The title reflects a distinct pedagogical genre of concise legal summaries (ru'us al-masa'il) developed by classical jurists to facilitate memorization of core disputed issues for students of law . While al-Zamakhshari is predominantly known for his contributions to Arabic philology and Quranic exegesis, the work illustrates his engagement with comparative jurisprudence through an abridged, structured survey of inter-school legal divergence .
Structure and Arrangement
Unlike several of al-Zamakhshari's other treatises, Ru'us al-Masa'il contains no introductory preface (khutbah) detailing its composition; instead, the text opens immediately with the Book of Purification (Kitab al-Taharah) .
The thematic sequence broadly adheres to the layout of standard Hanafi legal compendia and closely resembles the organization of Abu Hamid al-Ghazali's al-Wajiz, though with specific variations :
- Duress (al-ikrah) is positioned after divorce rather than within judicial administration (al-qada'), where it is conventionally placed in Hanafi manuals .
- Emancipation (al-itq) appears at the conclusion of the entire treatise rather than following the chapters on marriage .
- The Book of Military Expeditions (Kitab al-Siyar) is placed after transactions and before marriage, with the section on poll tax (al-jizyah) segregated to the conclusion of criminal injuries (al-jinayat) .
Method and Style
For each legal question, al-Zamakhshari presents the ruling in declarative prose, consistently stating the position of Abu Hanifah first and following it with the opinion of al-Shafi'i . He then provides the scriptural or rational proofs (adillah) supporting each position, beginning with Abu Hanifah's rationale and concluding with al-Shafi'i's counter-argumentation .
In terms of sourcing and citation style, the text exhibits several distinct features:
- Al-Zamakhshari omits explicit citations of written sources, though several arguments closely parallel formulations found in classical Hanafi works such as al-Sarakhsi's al-Mabsut .
- Prophetic hadiths are typically cited without chains of transmission (isnad) or specific source attributions (takhrij), frequently paraphrased by meaning (bi-l-ma'na), and occasionally merged across multiple traditions .
- Legal terminology is applied loosely at times; the word "not permitted" (la yajuz) is used to cover various degrees of prohibition and reprehensibility, and terms like "condition" (shart) and "obligation" (fard) are occasionally conflated .
Manuscripts and Publication
The work survived in a unique manuscript preserved in the Chester Beatty Library in Dublin (MS 3600) . It was critically edited and published with an introductory study by Abdullah Nadhir Ahmad, released in a single volume by Dar al-Basa'ir al-Islamiyyah in Beirut in 1407 AH / 1987 CE .
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