Article ID: CBB000771349

Al-Kuhi's Revision of Book I of Euclid's Elements (2005)

unapi

The 10th-century mathematician Abu Sahl al-Kuhi, one of the best geometers of medieval Islam, wrote several treatises on the first three books of Euclid's Elements. We present an edition and translation of al-Kuhi's revision of Book I of the Elements, in which he altered the book's focus to the theorems and rearranged the propositions. The most dramatic of the changes is the complete absence of all geometric constructions, suggesting that al-Kuhi preferred instead to use Euclid's Data, and the related procedures of analysis and synthesis, for constructions. Other novel aspects include a proof of Euclid's fourth postulate, the use of the parallel postulate early in the work, and a different proof of the Pythagorean theorem.

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Authors & Contributors
De Young, Gregg
Rashed, Roshdi
Hogendijk, Jan P.
Brummelen, Glen Van
Brentjes, Sonja
Violet Moller
Journals
Arabic Sciences and Philosophy
Suhayl: Journal for the History of the Exact and Natural Sciences in Islamic Civilisation
Zeitschrift für Geschichte der Arabisch-Islamischen Wissenschaften
Sciamvs: Sources and Commentaries in Exact Sciences
Micrologus: Nature, Sciences and Medieval Societies
Tarikh-e Elm (The Iranian Journal for the History of Science)
Publishers
Edizioni Cadmo
Ashgate, Variorum
Anchor
Concepts
Arab/Islamic world, civilization and culture
Mathematics
Geometry
Translations
Transmission of texts
Cross-cultural interaction; cultural influence
People
Euclid
al-Quhi, Abu Sahl Wayjan ibn Rustam
Archimedes
Regiomontanus (Jahannes Mueller)
al-Sijzi, Ahmad Ibn Muhammad Ibn ‘Abd al-Jalil
al-Samaw'al, Abū Naṣr ibn Yaḥyā, al-Maghribī
Time Periods
Medieval
10th century
Ancient
9th century
17th century
12th century
Places
Greece
Mediterranean region
Europe
Salerno (Italy)
Córdoba (Spain)
Toledo (Spain)
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