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Bijan Vahabzadeh

Dados Biográficos

ID9294493
NOMEBijan Vahabzadeh
PRENOMESBijan
SOBRENOMEVahabzadeh
ASSINATURAVAHABZADEH B
AFILIAÇÕES19 rue Merle-D'Aubigné, 1207 Genève, Suisse
VERIFICADONão
TOTAL DE OBRAS4
TOTAL DE CITAÇÕES0
OBRAS COMO AUTOR4
OBRAS COMO EDITOR0
PRIMEIRO ANO DE PUBLICAÇÃO1994
ANO MAIS RECENTE DE PUBLICAÇÃO2013
ÍNDICE H0
  • Le Commentaire d'IBN Muʿāḏ Sur Le Concept De Rapport

    Open Access•Bijan Vahabzadeh•ARTICLE•Arabic Sciences and Philosophy•2013

    The Andalusian mathematician and astronomer Ibn Muʿāḏ al-Jayyānī (11 th century) is the author of an important commentary on the concept of ratio, in which he attempts to justify the Euclidean definition of proportionality between magnitudes – the celebrated Definition V.5 – and that of greater ratio. In addition to an analysis of the commentary, we provide a French translation and a critical edition of the original Arabic text. We also attempted…

  • Al-Māhānī's Commentary on the Concept of Ratio

    Open Access•Bijan Vahabzadeh•ARTICLE•Arabic Sciences and Philosophy•2002

    The mathematician al-Māhānī (9th century AD) is the author of one of the first commentaries on the fifth Book of Euclid's Elements which have been handed down to us. In this commentary, al-Māhānī intends to justify Definitions V. 5 and V. 7 of the Elements , which deal with the identity of ratios and with greater ratio, by starting from an anthyphairetic conception of ratio, and by proving the equivalence of the Euclidean and the anthyphairetic p…

  • Al-khayyām's Conception of Ratio and Proportionality

    Open Access•Bijan Vahabzadeh•ARTICLE•Arabic Sciences and Philosophy•1997

    We have attempted in this article to describe the content of al-Khayyām's 11th century Arabic commentary on Book V of Euclid's Elements , and have translated into English what we thought were its most important passages. We have also tried to explain why some Arab mathematicians were opposed to the famous definition of proportional magnitudes found at the beginning of Book V of the Elements

  • Two Commentaries on Euclid's Definition of Proportional Magnitudes

    Open Access•Bijan Vahabzadeh•ARTICLE•Arabic Sciences and Philosophy•1994

    Euclid's definition of proportional magnitudes in the Fifth Book of the Elements gave rise to many commentaries. We examine closely two of these commentaries, one by al-Jayyānī (11th century) and the other by Saunderson (18th century). Both al-Jayyānī and Saunderson attempted to defend Euclid's definition by making explicit what Euclid had only implied. We show that the two authors explain Euclid's position in a virtually identical manner

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  • Two Commentaries on Euclid's Definition of Proportional Magnitudes

    Open Access•Bijan Vahabzadeh•ARTICLE•Arabic Sciences and Philosophy•1994

    Euclid's definition of proportional magnitudes in the Fifth Book of the Elements gave rise to many commentaries. We examine closely two of these commentaries, one by al-Jayyānī (11th century) and the other by Saunderson (18th century). Both al-Jayyānī and Saunderson attempted to defend Euclid's definition by making explicit what Euclid had only implied. We show that the two authors explain Euclid's position in a virtually identical manner

  • Al-khayyām's Conception of Ratio and Proportionality

    Open Access•Bijan Vahabzadeh•ARTICLE•Arabic Sciences and Philosophy•1997

    We have attempted in this article to describe the content of al-Khayyām's 11th century Arabic commentary on Book V of Euclid's Elements , and have translated into English what we thought were its most important passages. We have also tried to explain why some Arab mathematicians were opposed to the famous definition of proportional magnitudes found at the beginning of Book V of the Elements

  • Al-Māhānī's Commentary on the Concept of Ratio

    Open Access•Bijan Vahabzadeh•ARTICLE•Arabic Sciences and Philosophy•2002

    The mathematician al-Māhānī (9th century AD) is the author of one of the first commentaries on the fifth Book of Euclid's Elements which have been handed down to us. In this commentary, al-Māhānī intends to justify Definitions V. 5 and V. 7 of the Elements , which deal with the identity of ratios and with greater ratio, by starting from an anthyphairetic conception of ratio, and by proving the equivalence of the Euclidean and the anthyphairetic p…

  • Le Commentaire d'IBN Muʿāḏ Sur Le Concept De Rapport

    Open Access•Bijan Vahabzadeh•ARTICLE•Arabic Sciences and Philosophy•2013

    The Andalusian mathematician and astronomer Ibn Muʿāḏ al-Jayyānī (11 th century) is the author of an important commentary on the concept of ratio, in which he attempts to justify the Euclidean definition of proportionality between magnitudes – the celebrated Definition V.5 – and that of greater ratio. In addition to an analysis of the commentary, we provide a French translation and a critical edition of the original Arabic text. We also attempted…

History and Theory of Mathematics (4 obras) · Mathematics (4 obras) · Philosophy (4 obras) · Arabic (3 obras) · Art (3 obras) · Historical Astronomy and Related Studies (3 obras) · Linguistics (3 obras) · Literature (3 obras) · Epistemology (2 obras) · Euclidean geometry (2 obras)

Ethnos_APP • Projeto Open Source • Licença MIT • Frontend v2.0.0 • Privacidade e Cookies • Documentação da API: api.ethnos.app/docs • Código da API: GitHub • DOI: 10.5281/zenodo.17049435 • Código do Frontend: GitHub • DOI: 10.5281/zenodo.17050053 • cruz.rio.br • Expectantes Misericordiae