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Sirāj ud-Dīn Muhammad ibn Muhammad ibn 'Abd ur-Rashīd Sajāwandī (Persian: محمد ابن محمد ابن عبدالرشید سجاوندی) also known as Abū Tāhir Muhammad al-Sajāwandī al-Hanafī (Arabic: ابی طاهر محمد السجاوندي الحنفي) and the honorific Sirāj ud-Dīn (سراج الدین, "lamp of the faith") (died c. 1203 CE or 600 AH) was a 12th-century Hanafi scholar of Islamic inheritance jurisprudence, mathematics astrology and geography. He is primarily known for his work Kitāb al-Farāʼiḍ al-Sirājīyah (Arabic:کتاب الفرائض السراجیه), commonly known simply as "the Sirājīyah", which is a principal work on Hanafi inheritance law. The work was translated into English by Sir William Jones in 1792 for subsequent use in the courts of British India. He was the grand-nephew of qari Muhammad ibn Tayfour Sajawandi. He lies buried in the Ziārat-e Hazrat-o 'Āshiqān wa Ārifān in Sajawand.

Name

His full name is Sirāj ud-Dīn Abū Tāhir Muḥammad Ibn Muhammad ibn 'Abd ur-Rashīd ibn Tayfoūr Sajāwandī (Persian: سراج الدین محمد سجاوندی). His nasab, Ibn Muhammad ibn 'Abd ur-Rashīd ibn Tayfoūr refers to him being the "son of Muhammad son of 'Abd ur-Rashīd son of Tayfour". Sajāwandī is his nisbah meaning "from Sajawand". He is also known by the teknonym Abū Tāhir meaning "father of Tahir".

Works

• Kitāb al-Farāʼiẓ al-Sirājīyah (The Sirajite Book of Inhertiance laws, کتاب الفرائض السراجیه) a.k.a. al-Sirājīyah ("The Sirajite")
• al-Tajnīs Fī al-Hasāb (The Analogy for the Calculations , کتاب التجنیس فی الحساب)
• Resālat Fī al-Jabr wa al-Muqābilah (Treatise on Algebra , رسالة فی الجبر و المقابله)

References

1. ^ الزركلي, خير الدين. الأعلام - ج 7 : محمد بن قاسم - نافع بن الحارث (in Arabic). IslamKotob.
2. ^ "Al Sirajiyyah: Or the Mahommedan Law of Inheritance". 1890. Retrieved 2018-05-06.
3. King, David A. (12 November 2012). "Islamic astronomy and geography | Sci-napse | Academic search engine for paper". Scinapse. Retrieved 2018-12-12.
4. ^ Young, M. J. L.; Latham, J. D.; Serjeant, R. B. (2006-11-02). Religion, Learning and Science in the 'Abbasid Period. Cambridge University Press. ISBN 9780521028875.
5. Kozlowski, Gregory C. (2008-10-30). Muslim Endowments and Society in British India. Cambridge University Press. ISBN 9780521088671.
6. Zaman, Muhammad Qasim (2010-12-16). The Ulama in Contemporary Islam: Custodians of Change. Princeton University Press. ISBN 9781400837519.
7. "د لوګر تاريخي، فرهنګي محلات". loyghar.bloguna.tolafghan.com. Retrieved 2018-12-10.

External links

• Al Sirajiyyah: Or the Mahommedan Law of Inheritance. Jones, William (Calcutta, 1792)

v t e Mathematics in the medieval Islamic world
Mathematicians	9th century 'Abd al-Hamīd ibn Turk Sanad ibn Ali al-Jawharī Al-Ḥajjāj ibn Yūsuf Al-Kindi Qusta ibn Luqa Al-Mahani al-Dinawari Banū Mūsā brothers Hunayn ibn Ishaq Al-Khwarizmi Yusuf al-Khuri Ishaq ibn Hunayn Na'im ibn Musa Thābit ibn Qurra al-Marwazi Abu Said Gorgani 10th century Abu al-Wafa al-Khazin Al-Qabisi Abu Kamil Ahmad ibn Yusuf Aṣ-Ṣaidanānī Sinān ibn al-Fatḥ al-Khojandi Al-Nayrizi Al-Saghani Brethren of Purity Ibn Sahl Ibn Yunus al-Uqlidisi Al-Battani Sinan ibn Thabit Ibrahim ibn Sinan Al-Isfahani Nazif ibn Yumn al-Qūhī Abu al-Jud Al-Sijzi Al-Karaji al-Majriti al-Jabali 11th century Abu Nasr Mansur Alhazen Kushyar Gilani Al-Biruni Ibn al-Samh Abu Mansur al-Baghdadi Avicenna al-Jayyānī al-Nasawī al-Zarqālī ibn Hud Al-Isfizari Omar Khayyam Muhammad al-Baghdadi 12th century Jabir ibn Aflah Al-Kharaqī Al-Khazini Al-Samawal al-Maghribi al-Hassar Sharaf al-Din al-Tusi Ibn al-Yasamin 13th century Ibn al‐Ha'im al‐Ishbili Ahmad al-Buni Ibn Munim Alam al-Din al-Hanafi Ibn Adlan al-Urdi Nasir al-Din al-Tusi al-Abhari Muhyi al-Din al-Maghribi al-Hasan al-Marrakushi Qutb al-Din al-Shirazi Shams al-Din al-Samarqandi Ibn al-Banna' Kamāl al-Dīn al-Fārisī 14th century Nizam al-Din al-Nisapuri Ibn al-Shatir Ibn al-Durayhim Al-Khalili al-Umawi 15th century Ibn al-Majdi al-Rūmī al-Kāshī Ulugh Beg Ali Qushji al-Wafa'i al-Qalaṣādī Sibt al-Maridini Ibn Ghazi al-Miknasi 16th century Al-Birjandi Muhammad Baqir Yazdi Taqi ad-Din Ibn Hamza al-Maghribi
Mathematical works	The Compendious Book on Calculation by Completion and Balancing De Gradibus Principles of Hindu Reckoning Book of Optics The Book of Healing Book on the Measurement of Plane and Spherical Figures Encyclopedia of the Brethren of Purity Toledan Tables Tabula Rogeriana Zij
Concepts	Alhazen's problem Islamic geometric patterns
Centers	Al-Azhar University Al-Mustansiriya University House of Knowledge House of Wisdom Constantinople observatory of Taqi ad-Din Madrasa Maragheh observatory University of al-Qarawiyyin
Influences	Babylonian mathematics Greek mathematics Indian mathematics
Influenced	Byzantine mathematics European mathematics Indian mathematics
Related	Hindu–Arabic numeral system Arabic numerals (Eastern Arabic numerals, Western Arabic numerals) Trigonometric functions History of trigonometry History of algebra

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• Hanafi fiqh scholars
• People from Logar Province
• Mathematics in the medieval Islamic world
• Mathematicians who worked on Islamic inheritance
• 12th-century Iranian mathematicians
• 1203 deaths
• 12th-century Arabic-language writers
• Scholars from the Ghaznavid Empire
• Sunni Muslim scholars of Islam
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