Английская Википедия:Ibn Turk
Шаблон:Short description Шаблон:Cleanup lang Шаблон:Transliteration (fl. 830), known also as Шаблон:Transliteration (Шаблон:Lang-ar) was a ninth-century Muslim mathematician. Not much is known about his life. The two records of him, one by Ibn Nadim and the other by al-Qifti are not identical. Al-Qifi mentions his name as ʿAbd al-Hamīd ibn Wase ibn Turk al-Jili. Jili means from Gilan. On the other hand, Ibn Nadim mentions his nisbah as khuttali (Шаблон:Lang), which is a region located north of the Oxus and west of Badakhshan. In one of the two remaining manuscripts of his al-jabr wa al-muqabila, the recording of his nisbah is closer to al-Jili.[1] David Pingree / Encyclopaedia Iranica states that he originally hailed from Khuttal or Gilan.Шаблон:Sfn He wrote a work on algebra entitled Logical Necessities in Mixed Equations, which is very similar to al-Khwarzimi's Al-Jabr and was published at around the same time as, or even possibly earlier than, Al-Jabr.[2] Only a chapter called "Logical Necessities in Mixed Equations", on the solution of quadratic equations, has survived. The manuscript gives exactly the same geometric demonstration as is found in Al-Jabr, and in one case the same example as found in Al-Jabr, and even goes beyond Al-Jabr by giving a geometric proof that if the discriminant is negative then the quadratic equation has no solution.[2] The similarity between these two works has led some historians to conclude that algebra may have been well developed by the time of al-Khwarizmi and 'Abd al-Hamid.[2]
References
Further reading
- Шаблон:Cite journal
- Шаблон:Cite encyclopedia
- Шаблон:Cite book Rev. by Jean Itard in Revue Hist. Sci. Applic., 1965, I8:123-124.
External links
Шаблон:Asia-mathematician-stub
- ↑ Ibn Turk in Dāʾirat al-Maʿārif-i Buzurg-i Islāmī, Vol. 3, no. 1001, Tehran. To be translated in Encyclopædia Islamica.
- ↑ 2,0 2,1 2,2 Шаблон:Cite book
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