Rushdi Aliyan
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Rushdi Muhammad 'Irsan 'Aliyan is a contemporary scholar of Islamic jurisprudence and legal theory (usul al-fiqh) who served as an associate professor at the College of Da'wah and Usul al-Din at the Islamic University of Medina.
Academic Career and Research
'Aliyan contributed to Islamic scholarship across legal theory, comparative religion, and Quranic studies, collaborating with academic institutions including the University of Baghdad. In legal theory, he authored a study titled al-Ijma' fi al-Shari'a al-Islamiyya ("Consensus in Islamic Law"), examining scholarly consensus (ijma') as a primary evidential source following the Quran and the Sunnah, and arguing that intellectual or political differences among scholars do not render agreement on legal rulings impossible.
In comparative legal and theological thought, he investigated foundational methodologies in works such as Dalil al-'Aql 'inda al-Shi'a al-Imamiyya ("The Rational Proof According to the Imami Shi'a"), which examined rational proof as a source of legal rulings alongside the viewpoints of other Islamic schools of law. In that study, he maintained that because authoritative classical authorities of the Imami school affirmed the textual integrity and preservation of the Quran against alteration or omission, scholarly discussion should rely on that established position rather than anomalous views or fabricated narrations.
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List of Works
al-Ijma fi al-Sharia al-Islamiyya (Consensus in Islamic Law) is a legal theory (usul al-fiqh) treatise examining the foundational proof of scholarly consensus (ijma), its legal authority, conditions, and participants. Published in 1397 AH (1977 CE), the work explores consensus as a primary source of Islamic legislation following the textual proofs of the Quran and the Sunnah, addressing its evidential foundation, scope, and practical feasibility.