al-Radd ala Siyar al-Awzai
- Author died
- 182 AH
- Editions
- Lajnat Iḥyā’ al-Ma‘ārif al-Nu‘māniyyah
al-Radd ala Siyar al-Awzai (The Refutation of al-Awza'i's Law of War) is an early legal treatise authored by the Hanafi jurist and chief judge Abu Yusuf (113–182 AH / 731–798 CE) to defend the rulings of his teacher Abu Hanifa regarding the laws of war and interstate relations (siyar) against the critical rejoinders of the Syrian jurist al-Awza'i (88–157 AH / 707–774 CE).
Background and Context
The emergence of the work arose out of a major early legal debate concerning the law of nations and military jurisprudence. Abu Hanifa originally formulated a series of opinions on warfare, treaties, and the treatment of enemy combatants and property. Al-Awza'i, writing from the frontier context of the Levant, composed a critique challenging several of Abu Hanifa's positions. In response, Abu Yusuf authored al-Radd ala Siyar al-Awzai to systematically address al-Awza'i's objections, champion Abu Hanifa's doctrinal reasoning, and articulate the legal methodologies of the Iraqi jurists.
Content and Method
The treatise is organized into thematic legal chapters dealing with warfare, spoils, and cross-border interactions. Each section generally opens with Abu Hanifa's ruling, follows with al-Awza'i's objection or counter-view, and concludes with Abu Yusuf's detailed rebuttal and defense of the Hanafi position.
Key topics debated in the text include:
- Distribution of Booty: The allocation of war spoils between cavalrymen and infantry, as well as whether non-Arab workhorses (baradhin) receive equal shares to Arab horses.
- Commercial Transactions in Enemy Territory: The permissibility of selling captives within enemy lands (dar al-harb) prior to bringing them into Islamic territory, and the application of financial regulations such as the prohibition of interest (riba) in non-Muslim lands.
- Status of Captives and Emigrants: The legal standing of enslaved women captured and purchased back, and the required waiting period (iddah) for an enslaved mother of a child (umm walad) who accepts Islam and emigrates from enemy territory.
Methodologically, Abu Yusuf insists on evaluating legal norms through sound prophetic Sunnah, established reports from the early generations, and systematic legal analysis (usul al-fiqh), while questioning vague appeals to local customary practice that lacked rigorous textual backing. On rare occasions, Abu Yusuf conceded specific issues to al-Awza'i, such as the prohibition of usurious transactions in hostile territories, while defending Abu Hanifa's rationale as resting on a narration from Makhul.
Reception and Transmission
The text became one of the foundational primary sources for classical Islamic international law. It was directly reviewed by al-Shafi'i (d. 204 AH), who composed a counter-rebuttal titled Siyar al-Awzai, preserved through his disciple al-Rabi' ibn Sulayman al-Muradi within Kitab al-Umm. In that work, al-Shafi'i commented on the passages of Abu Hanifa, al-Awza'i, and Abu Yusuf, frequently defending al-Awza'i against Abu Yusuf's conclusions.
Al-Radd ala Siyar al-Awzai was later published as an independent text in Cairo in 1357 AH, edited by the scholar Abu al-Wafa al-Afghani.
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