Английская Википедия:Ibn al-Ha'im al-Ishbili
Шаблон:Short description Шаблон:Use British English Шаблон:Infobox academic Abu Muhammad Abd al-Haqq al‐Ghafiqi al‐Ishbili (Шаблон:Lang-ar), also known as Ibn al‐Hāʾim (fl. Шаблон:Circa was a medieval Muslim astronomer and mathematician from Seville.
He is known to modern scholars for his Шаблон:Transliteration (1204/5), which was had a great influence on the development of Islamic astronomy and which has provided important information on astronomers from Al-Andalus, including the instrument maker and astrologer Al-Zarqali.
Life
Ibn al‐Hāʾim originated from Seville in Al-Andalus. As a student, he learnt mathematics using the works of the scholars Al-Jayyani and Jabir ibn Aflah.Шаблон:Citation required He probably worked in North Africa, at a time when the Almohad Caliphate ruled the region. Ibn al‐Hāʾim became proficient at mathematics and was familiar with the trigonometrical concepts introduced into al‐Andalus by the scholar Ibn Mu'adh al-Jayyani in the 11th century and developed during the next century by the astronomer and mathematician Jābir ibn Aflaḥ.Шаблон:Sfn
Шаблон:Transliteration
In 1204/5 Ibn al‐Hāʾim wrote Шаблон:Transliteration ("The Perfect Handbook on Mathematical Astronomy"), a treatise that consisted of an introduction and seven books. A Шаблон:Transliteration in all but name, the information it contains does not include any numerical tables.Шаблон:Sfn It was considered exceptionally complete and accurate by Islamic medieval astronomers, and he had a great influence on the development of astronomy in the Maghreb.Шаблон:Sfn
The work has provided modern historians with important information on earlier astronomers in al‐Andalus. It gives historical data on the life and works of the instrument maker and astrologer Al-Zarqali and the creation of the Tables of Toledo by astronomers in Toledo patronized by the Шаблон:Transliteration Said Al-Andalusi.
Ibn al‐Hāʾim further extended Al-Zarqali's theories on the oscillation of the obliquity of the ecliptic, presented spherical trigonometrical formulae, gives a longitude of the solar apogee of 85° 49′ and further confirmed the works of Al-Zarqali. The work also deals with the computation of the Moon's longitude and latitude, attempting to correct Ptolemy's theory.Шаблон:Sfn
A copy of the manuscript is held at the Bodleian Library at Oxford, UK.[1]
Notes
Sources
Further reading
Шаблон:Islamic astronomy Шаблон:Islamic mathematics
- Английская Википедия
- 13th-century Arab people
- 13th-century people from al-Andalus
- Astronomers from al-Andalus
- Mathematicians from al-Andalus
- 13th-century mathematicians
- 13th-century astronomers
- Astronomers of the medieval Islamic world
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