Ibrahim ibn Sinan

Short description: Arab mathematician and astronomer

Ibrahim ibn Sinan

Born| c. 908

Baghdad, Abbasid Caliphate, now Iraq

Died| 946
Occupation| Astronomer, mathematician
Era| Islamic Golden Age
Parent(s)|

* Sinan ibn Thabit (father)

Ibrahim ibn Sinan (Arabic: Ibrāhīm ibn Sinān ibn Thābit ibn Qurra, ابراهيم بن سنان بن ثابت بن قرة; born 295 - 296 AH/c. 908 in Baghdad, died: 334-335 AH/946 in Baghdad, aged 38) was a mathematician and astronomer who belonged to a family of scholars originally from Harran in northern Mesopotamia. He was the son of Sinan ibn Thabit (c. 880 - 943) and the grandson of Thābit ibn Qurra (c. 830 - 901).[1] Like his grandfather, he belonged to a religious sect of star worshippers known as the Sabians of Harran.[2]

Ibrahim ibn Sinan studied geometry, in particular tangents to circles. He made advances in the quadrature of the parabola and the theory of integration, generalizing the work of Archimedes, which was unavailable at the time.[1][3] Ibrahim ibn Sinan is often considered to be one of the most important mathematicians of his time.[3]

## Notes

1. ↑ 1.0 1.1 Van Brummelen 2007, p. 574.
2. ↑ Roberts 2017, p. 253.
3. ↑ 3.0 3.1 O'Connor, John J.; Robertson, Edmund F., "Ibrahim ibn Sinan ibn Thabit ibn Qurra", MacTutor History of Mathematics archive, University of St Andrews, http://www-history.mcs.st-andrews.ac.uk/Biographies/Ibrahim.html .

## Sources

* Roberts, Alexandre M. (2017). "Being a Sabian at Court in Tenth-Century Baghdad". Journal of the American Oriental Society 137 (2): 253–277. doi:10.17613/M6GB8Z.
* Van Brummelen, Glen (2007). "Ibrāhīm ibn Sinān ibn Thābit ibn Qurra". in Hockey, Thomas. The Biographical Encyclopedia of Astronomers. New York: Springer. p. 574. doi:10.1007/978-0-387-30400-7_697. ISBN 978-0-387-31022-0. https://islamsci.mcgill.ca/RASI/BEA/Ibrahim_ibn_Sinan_BEA.htm. (PDF version)

## Further reading

* Rashed, Roshdi (1996). Les Mathématiques Infinitésimales du IXe au XIe Siècle 1: Fondateurs et commentateurs: Banū Mūsā, Ibn Qurra, Ibn Sīnān, al-Khāzin, al-Qūhī, Ibn al-Samḥ, Ibn Hūd. London. Reviews: Seyyed Hossein Nasr (1998) in Isis 89 (1) pp. 112-113; Charles Burnett (1998) in Bulletin of the School of Oriental and African Studies, University of London 61 (2) p. 406.
* Rashed, Roshdi (2008). "Ibrahim Ibn Sinan". Complete Dictionary of Scientific Biography. Encyclopedia.com. http://www.encyclopedia.com/doc/1G2-2830905786.html.

* v
* t
* e

Mathematics in medieval Islam

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
* Hunayn ibn Ishaq
* al-Khwārizmī
* Yusuf Al-Khuri
* Ishaq ibn Hunayn
* Na'im ibn Musa
* Thābit ibn Qurra
* Sahl ibn Bishr
* al-Marwazi
* Abu Said Gorgani

|

10th century|

* Abu al-Wafa
* al-Khazin
* Al-Qabisi
* Abū Kāmil
* 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
* Said al-Andalusi
* ibn Fatik
* Al-Muradi
* Al-Isfizari
* Omar Khayyam
* Muhammad al-Baghdadi

12th century|

* Abu al-Salt
* Avempace
* Jabir ibn Aflah
* Al-Kharaqī
* Al-Khazini
* Al-Samawal al-Maghribi
* al-Hassar
* Sharaf al-Dīn al-Ṭūsī
* Ismail al-Jazari
* Ibn al-Yasamin
* Siraj ud-Din Muhammad ibn Abd ur-Rashid Sajawandi

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-Dīn al-Maghribī
* al-Hasan al-Marrakushi
* Qutb al-Din al-Shirazi
* Shams al-Dīn al-Samarqandī
* Ibn al-Banna'
* Kamāl al-Dīn al-Fārisī

14th century|

* Nizam al-Din Nishapuri
* Ibn Shuayb
* Ibn al-Shatir
* Ibn al-Durayhim
* Al-Khalili
* Ahmad al-Qalqashandi
* al-Umawi

15th century|

* Ibn al-Majdi
* al-Rūmī
* al-Kāshī
* Ulugh Beg
* Ali Qushji
* al-Wafa'i
* al-Qalaṣādī
* al-Kubunani
* Sibt al-Maridini
* Ibn Ghazi al-Miknasi

16th century|

* Al-Birjandi
* Muhammad Baqir Yazdi
* Taqi ad-Din
* Ibn Hamza al-Maghribi
* Ahmad Ibn al-Qadi

Mathematical works|

* The Compendious Book on Calculation by Completion and Balancing
* De Gradibus
* Principles of Hindu Reckoning
* Book of Optics
* The Book of Healing
* Almanac
* 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 al-Din
* Madrasa
* Maktab
* Maragheh observatory
* University of Al Quaraouiyine

Influences|

* Babylonian mathematics
* Greek mathematics
* Indian mathematics

Influenced|

* Byzantine mathematics
* European mathematics
* Indian mathematics

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