Author
Abū Sahl Wayjan ibn Rustam al-Kūhī
Publication Date
1198 (AH, Hijri)
Type
Book
Language
Arabic
Digital
Yes
Manuscript
Yes
Pages Count
1
Library
Qatar Digital Library
Library Asset ID
IO Islamic 461, ff 182v-189r
Record ID
vdc_100025776458.0x000004
Library Location
British Library: Oriental Manuscripts
Date
1198 (AH, Hijri)
Notes
Treatise on the construction of an equilateral heptagon within a circle by Abū Sahl Wayjan ibn Rustam al-Kūhī (Abu Sahl Wayjan ibn Rustam al-Kūhī also spelled al-Qūhī [Al-Quhi]; fl. second half of the 10th century).
The text contains seven diagrams, which are collected on a fold out (f. 188r) at the end of the text.
Begins (f. 182v, lines 2-5):
As for those who hold the teachings, they all say that Archimedes is preferred and prefer him to others
From their ancients when they saw from his deductions distant beautiful things and forms
The mysterious and difficult matters are among the precious demonstrative sciences, and this is evident from his books
existing...
Ends (f. 189r, lines 4-8):
...everyone
From the arcs of ABC, seven are the circumference of the circle, ABC, D. This is each one of my lines
A B C The side of an equilateral heptagon in a circle A B C D
The two sides of the equilateral heptagon are ABC, BC, and so on
What we wanted to show
Erişim Koşulları
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Seçilmiş kaynakça
Study, edition and German translation:
Samplonius, Yvonne, 'Die Konstruktion des regelmäßigen Siebenecks nach Abu Sahl al-Quhi Waijan ibn Rustam',
Janus
, 50.4 (1963) pp. 227-249.
Study:
Sezgin, Fuat,
Geschichte des arabischen Schrifttums
, vol. 5 (Leiden: Brill, 1974) pp 314-21
Berggren, Len, 'Kūhī: Abū Sahl Wījan ibn Rustam [Wustam] al-Kūhī [al-Qūhī]' in
The Biographical Encyclopedia of Astronomers
, Thomas Hockey et al., eds., (New York: Springer, 2007) pp. 659
