Talk:Abraham bar Hiyya

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Why is this article using 150 Year Old Source Material?[edit]

Hi. Why is this article using information that is old and obsolete? Almost all of the information in here dates from the 19th century... It needs to be extensively updated... There has been a lot of research in the last 150 years or so. Although, Steinscheider in particular, is the basis for much of the underlying manuscript recovery and cataloging of medieval science, there have been significant emendations to his work... Stevenmitchell (talk) 00:22, 11 February 2010 (UTC)

You make an astute observation, Stevenmitchell - we share teh same concern. Please see my recent updates. --Jimharlow99 (talk) 18:49, 12 March 2010 (UTC)

Not part of Medieval Islam[edit]

Abraham bar Hiyya was born in Barcelona over 200 years after the Christian reconquest of that place. He is clearly not part of "Medieval Islam".John Pack Lambert (talk) 21:20, 19 May 2011 (UTC)

  • There is no evidence that Abraham bar Hiyya ever lived inside the sphere of medieval Islam. He is mis-categorized when put in a category related to such. Barcelona was clearly within the Frankish sphere of influence.John Pack Lambert (talk) 20:16, 25 May 2011 (UTC)
Do you have a source for his year of birth? Tkuvho (talk) 04:51, 26 May 2011 (UTC)
I agree, Barcelona was islamic at that moment and probabluy never was Savasorda (talk) 13:51, 7 June 2011 (UTC)
this text "Abraham ben Chiya Albargeloni (b. 1065, d. 1136), also occupied a high position under another Mahometan prince al-Hud. He was a sort of minister of police (Zachib al-Shorta, hence Savasorda which literally means something like 'chief of police' but probably indicates a position of a courtier)" has no source provided and is in contraction with wath is written in governor of a city !!!

Any other source on the net come sfrom this wiki page. Savasorda (talk) 13:56, 7 June 2011 (UTC)


It would be useful to include a discussion of his calculation of the area of a circle using infinitesimals חבור המשיחה והתשבורתin . Tkuvho (talk) 04:56, 23 May 2011 (UTC)

Thanks to User:Lkitrossky for the clarification. I notice that you refer to indivisibles, not infinitesimals. Others say he used infinitesimals. What kind of terminology did he use? Is it possible to gauge whether he meant indivisibles or infinitely small quantities? Is there any evidence that he might have influenced Cusanus, for example? Tkuvho (talk) 19:16, 24 May 2011 (UTC)