John of Seville

John of Seville (Latin: Johannes Hispalensis or Johannes Hispaniensis) (fl. 1133-53) was one of the main translators from Arabic into Castilian in partnership with Dominicus Gundissalinus during the early days of the Toledo School of Translators. John of Seville translated a litany of Arabic astrological works, and is also credited with the production of several original works in Latin.[1][2]

Life and Context

John of Seville was a baptized Jew, whose Jewish name (now unknown) has been corrupted into "Avendeut", "Avendehut", "Avendar" or "Aven Daud". This evolved into the middle name "David", so that, as a native of Toledo, he is frequently referred to as Johannes (David) Toletanus. Some historians argue that in fact there were two different persons with a similar name, one as Juan Hispano (Ibn Dawud) and other as Juan Hispalense, this last one perhaps working at Galician Limia (Ourense), for he signed himself as "Johannes Hispalensis atque Limiensis", during the Reconquista, the Christian campaign to regain the Iberian Peninsula. Though his precise birthdate and death date remain unknown, he is known to have flourished in his work from 1133 to 1153.[3]

Translated and Original works

Since John of Seville had gone by multiple names throughout his lifetime, it is often debated by historians as to which translations of this time period were actually his.[4] The topics of his translated works were mainly astrological, astronomical, philosophical and medical.[3] John of Seville's particular style of translation is recognized by scholars due to his proclivity to translate works, word for word, while continuing to maintain the original languages syntax and grammatical structure.[1]

Astrological and Astronomical

John of Seville translated Al-Farghani's Kitab Usul 'ilm al-nujum(Book on the Elements of the Science of Astronomy) into Latin in 1135 ('era MCLXXIII')under the revised title of (The Rudiments of Astronomy),[2][5] as well as translating the Arab astrologer Albohali's "Book of Birth" into Latin in 1153.[6] This also includes the work to translate another one of Al-Farghani’s works titled Kitāb fī Jawāmiʿ ʿIlm al-Nujūm (Elements of astronomy on the celestial motions). He also translated Kitāb taḥāwīl sinī al-‘ālam (Flowers of Abu Ma'shar) by Abu Ma'shar al-Balkhi into Latin.[7] More notable works of John of Seville include the translations of a manuscript in the library of St. Marks, the Greater Introduction of Albumasar, and the engraved written work of Thebit.[1] Another astronomical work translated by John is De compositione et utilitate astrolabii (The composition and utility of the astrolabe) which is an instructional book explaining the construction of and the how to of astrolabes. The work itself is originally attributed to the Aribic astronomer Mash’allah. Another significant work translated by John of Seville was Omar’s (Umar Ibn al-Farrukhân al-Tabarî) work, Kitâb al-Mawâlid (The Book of Nativities), under the Latin title “De Nativitatibus.” Kitâb al-Mawâlid is an astrological treatise concerning “the interpretation of nativities, or birth horoscopes,” it has three separate books with quotes from other authors such as Ptolemy, Messahallah and Hermes.[8]

Medical and Alchemy

At least three of his translations, a short version of the Secretum Secretorum dedicated to a Queen Tarasia, a tract on gout offered to one of the Popes Gregory, and the original version of the 9th century Arabic philosopher Qusta ibn Luqa's De differentia spiritus et animae (The Difference Between the Spirit and the Soul), were medical translations intermixed with alchemy in the Hispano-Arabic tradition.[9] A lesser known translation of his titled Speculum Elementorum, also referred to as Tractatus de perfecta et infallibili Medicina arte Akimie, was originally written by an unknown author.[10] Another notable work translated by John of Seville from arabic is the Emerald Tablet, an alchemical work of the Hermetic tradition that is originally credited to Hermes Trismeguistus himself, it was said to contain many alchemical secrets.[11]

Philosophical

In his Book of Algorithms on Practical Arithmetic, John of Seville provides one of the earliest known descriptions of Indian positional notation, whose introduction to Europe is usually associated with the book Liber Abaci by Fibonacci:

“A number is a collection of units, and because the collection is infinite (for multiplication can continue indefinitely), the Indians ingeniously enclosed this infinite multiplicity within certain rules and limits so that infinity could be scientifically defined; these strict rules enabled them to pin down this subtle concept.”

John of Seville is also credited with working in collaboration with Dominicus Gundissalinus and Jewish philosopher Abraham Ibn Daud to translate the De anima of Avicenna, a philosophical commentary on Aristotle's writings.[12][1] Avicenna had many other of his works translated such as a philosophical encyclopedia titled Kitab al-Shifa’ (The Book of Healing) and a short script on metaphysics titled Liber de Causis (Book of Causes). John even retranslated an original Avicenna translation of Aristotle’s On the Heavens.[13][14] It is speculated that the written work of Zael, titled Liber temporum, may have been translated by John of Seville. However, the name of the translator was never mentioned in the manuscript so it remains uncertain. A work by Jewish philosopher Avencebrol is believed to be translated by both John of Seville and Dominicus Gundissalinus titled Fons Vitae (Source of Life).[4] Another one of John of Seville's philosophical translation includes the work by philosopher Al-Ghazali titled Maqasid al-falasifa (The Aims of the Philosophers), a book regarding basic philosophical concepts such as judgement, concept and logic.[15]

Original

In addition to his many translations John of Seville is credited with a work of his own titled, Epitome artis astrologiae, written in 1142 which is a summary of astrology as a whole.[4]

gollark: PotatOS is highly "secured" because it has two separate elliptic curve cryptography things in it.
gollark: .
gollark: I'm not, blame "Dimaguy"
gollark: It protects you against the case where someone can somehow *read* your network traffic but not *alter* it, maybe. But that's not really worth lots of (rather horrible) code, probable insecurity, and extra complexity.
gollark: Yes, I'm aware, but if your TEA thing is exploitable somehow, then someone can probably use that to log in, since you authenticate that way.

See also

References
  1. Thorndike, Lynn (January 1959). "John of Seville". Speculum. 34 (1): 20–38. doi:10.2307/2847976. ISSN 0038-7134. JSTOR 2847976. PMID 19928638.
  2. Lindberg, David C. (2007). The beginnings of western science : the European scientific tradition in philosophical, religious, and institutional context, prehistory to A.D. 1450 (2nd ed.). Chicago: University of Chicago Press. ISBN 9780226482057. OCLC 156874785.
  3. Jewish Encyclopedia. "Johannes Hispalensis". Retrieved 18 September 2013.
  4. Robinson, Maureen (2007-06-01). "The Heritage of Medieval Errors in the Latin Manuscripts of Johannes Hispalensis (John of Seville)". Al-Qanṭara. 28: 41–71. doi:10.3989/alqantara.2007.v28.i1.31.
  5. Astronomy, astrology, observatories and calendars, A. Akmedov, History of Civilizations of Central Asia, Vol. 4, Part 2 ed. Clifford Edmund Bosworth, M.S.Asimov, (Motilal Banarsidass, 2000), 198.
  6. Houtsma, p.875
  7. "Flowers of Abu Ma'shar". World Digital Library. Retrieved 27 February 2013.
  8. Ibn al-Farrukhân al-Tabarî, Umar (Early 12th Century). Kitâb al-Mawâlid ('Book of Nativities'). Wartburg: John of Seville. pp. https://warburg.sas.ac.uk/pdf/fah750omar.pdf. Check date values in: |date= (help)
  9. Goulding, Robert. Speculum, vol. 82, no. 2, 2007, pp. 494–495. JSTOR, www.jstor.org/stable/20464144.
  10. Luard, H. R. (2011-12-08). A Catalogue of the Manuscripts Preserved in the Library of the University of Cambridge (in Latin). Cambridge University Press. ISBN 978-1-108-03434-0.
  11. Trismegistus, Hermes (2016-05-19). The emerald tablet of Hermes. Hermes, Trismegistus. [United States]. ISBN 9781609422325. OCLC 965551903.
  12. Gutas, Dimitri (2016), "Ibn Sina [Avicenna]", in Zalta, Edward N. (ed.), The Stanford Encyclopedia of Philosophy (Fall 2016 ed.), Metaphysics Research Lab, Stanford University, retrieved 2019-10-04
  13. "Kitāb al-shifāʾ | work by Avicenna". Encyclopedia Britannica. Retrieved 2019-11-07.
  14. "Liber de causis - Routledge Encyclopedia of Philosophy". www.rep.routledge.com. Retrieved 2019-11-07.
  15. "The Aims of the Philosophers", Wikipedia, 2019-08-18, retrieved 2019-11-07
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