21. Adventures In Philosophy: A Brief History Of Jewish Philosophy In his Hegyon Hanefesh (Reflection on the Soul), abraham bar hiyya, while exposinghis ideas on creation and the destiny and conduct of Man, showed a strong http://radicalacademy.com/adiphiljewish1.htm

Adventures in Philosophy JEWISH PHILOSOPHY Select a Category... Ancient Philosophy Medieval Philosophy Modern Philosophy Recent Philosophy American Philosophy Islamic Philosophy Jewish Philosophy Political Philosophy Eastern Philosophy Jewish Philosophy Index Academy Resources Glossary of Philosophical Terms Philosophy Search Engine Timeline of Philosophy A Timeline of American Philosophy ... Books about Religion in The Radical Academy Bookstore Shop Amazon Stores in the Radical Academy Bookstore Magazine Outlet Music Store Video Store ... Baby Superstore Win $100 Worth Of Books! Click Here for Powell's Books FREE newsletter and you may win $100 worth of books. Select: Philo Judaeus Saadia Al-Mukammas Ibn Gabriol ... Abraham bar Hiyya Philo Judaeus - (c. 25 B.C. - c. 50 A.D.)

22. Centre For Jewish Studies, University Of Manchester, SHLOMO SELA, THE SECULARISA DR SHLOMO SELA, BARILAN UNIVERSITY From a purely chronological perspective,abraham bar hiyya (ca.1065-ca.1140), should be credited with the title of http://www.mucjs.org/sela04.htm

T HE S ECULARISATION OF THE H OLY T ONGUE AND THE D EVELOPMENT OF M EDIEVAL H EBREW D R S H LOMO S ELA, B AR- I LAN U NIVERSITY ABSTRACT OF RESEARCH SEMINAR 9 DEC 2004 After the middle of the eighth century, with the completion of the Islamic conquest of the eastern, northern and part of the western shores of the Mediterranean, Jews willingly adopted the Arabic language, spoke Arabic fluently, wrote Arabic in Hebrew letters, and employed Arabic in the composition oftheir literary and scientific works. This phenomenon is especially noticeable in Andalusia, that is, Muslim Spain, where Jewish scientists and intellectual made a very significant contribution. This transition from Arabic to Hebrew was actually the passage from a language which had already proved able to successfully accommodate itself to the reception of Greek science and philosophy, to a language previously used almost exclusively for religious and liturgical purposes. In other words: the transition from Arabic to Hebrew was tantamount to the creation of a new Hebrew vocabulary. In what follows, the linguistic strategy of four outstanding twelfth-century Jewish intellectuals is briefly analyzed.

23. Webpage abraham bar hiyya was a Spanish Jewish mathematician and astronomer. Perhaps one of the most important features of abraham bar hiyya s work is the fact http://www.k12.nf.ca/discovery/curriculum/math/famous/pageone.htm

ABRHAM BAR HIYYA NASI PAGE ONE Abraham bar Hiyya was a Spanish Jewish mathematician and astronomer. In the Hebrew of his time 'Ha-Nasi' meant 'the leader' but he is also known by the Latin name Savasorda which comes from his 'job description' showing that he held an official position in the administration in Barcelona. Abraham bar Hiyya is famed for his book Hibbur ha-Meshihah ve-ha-Tishboret (Treatise on Measurement and Calculation), translated into Latin by Plato of Tivoli as Liber embadorum in 1145. This book is the earliest Arab algebra written in Europe. It contains the complete solution of the general quadratic and is the first text in Europe to give such a solution. Rather strangely, however, 1145 was also the year that al-Khwarizmi's algebra book was translated by Robert of Chester so Abraham bar Hiyya's work was rapidly joined by a second text giving the complete solution to the general quadratic equation. It is interesting to see the areas of mathematics and the mathematicians with which Abraham was familiar. Of course he knew geometry through the works of Euclid, but he also knew the

24. Home Page abraham bar hiyya HaNasi HOME PAGE . This web page is what I haved learned formthe web about the famous mathmetition abraham bar hiyya Ha - Nasi . http://www.k12.nf.ca/discovery/curriculum/math/famous/homepage.htm

Abraham Bar Hiyya Ha-Nasi HOME PAGE This web page is what I haved learned form the web about the famous mathmetition Abraham Bar Hiyya Ha - Nasi . This information was taken from search engines such as google,yahoo,hotbot. If you have any questions comments or suggestions about this web page click on the link below. Links: . page one page two page three

25. Bar Hiyya, Adam The Philosophy of abraham bar hiyya, NY 1960; C. Sirat, A History of JewishPhilosophy in the Middle Ages, C 1985, 97–104; H. and M. Simon, Geschichte der http://www.kul.lublin.pl/efk/angielski/hasla/b/barhiyya.html

BAR HIYYA Adam Megillat ha-Megalleh The book of the revealer , ed. A. Poznanski, B 1924) and Hegyon he- Nefesh ha-Azuvah Meditation of a sad soul knocking on the gate of conversion , ed. G. Wigoder, J 1971; English translation, idem, The Meditation of a Sad Soul The work, The Meditation of a Sad Soul The Meditation begins with a description of the creation of the world according to the account in the Book of Genesis. Bar Hiyya accepts the idea of creation ex nihilo Book of the revealer ). The higher world above the firmament is divided into five worlds of light, and the highest corresponds to the Divine Throne. The first stage of creation consists in the emergence of light from a pure form that is close to God. In the second stage the splendor of closed form illuminates open form so that open form can pour on matter. One part of form is joined inseparably with pure matter, and the other part is joined with dirty matter. In the third stage, the light of sealed form causes the creation of the stars, which on the following day of creation influence the creation of living things. Meditation of the Sad Soul Book of the revealer , bar Hiyya firmly rejects the theory of metempsychosis.

26. Shemaria Judaica: Judaism As A Philosophy: The Philosophy Of Abraham Bar Hiyya ( Brooklyn Bloch, 1960, Good.......Title Judaism as a Philosophy The Philosophy of abraham bar hiyya (10651143)Author Stitskin, Leon. http://www.judaicabooks.net/cgi-bin/shj455/000000000010627.html

Browse by category American History American Jewish Literature Ancient Jewish History Ancient World/History Anglo Jewry/Jewish History anti semitism, modern jewish history, Arabic Archaelogy Art Autobiography Autobiography/Biography Basic Judaism Bible Bible Jewish Thought Bible, Hebrew Bible, Torah, Biblical Commentary Bible,Torah, Commentary Bibliography biographies Biography Chasdiut Children's Books Christanity and Judaism CookBooks Dictionaries Eastern European Jewry Eastern European Jewry/History Education English Literature/History Fiction French Judaica General History General Interest German Philosophy and Thought Haggadah Haggadot Pesach Halacha halacha, jewish law halacha,Talmud hasidut,jewish mysticism Hebraica Hebrew Hebrew Literature Hebrew Grammar hebrew language Hebrew Language/Grammar hebrew literature history Holocaust Holocaust, Jewish History Islam Israel Israel, zionism Jewish Life Jewish Art Jewish Art and Music Jewish Communities jewish education Jewish Festivals Jewish Fiction Jewish Folklore Jewish History Jewish history, Jewish thought Jewish holidays Jewish Humor Jewish Law Jewish Life Jewish Liturgy Jewish Mysticism and Kabbalah jewish mysticism, jewish thought

27. Mathématiques Hébraïques Au Moyen-Age abraham bar hiyya (connu en latin sous le http://ufr6.univ-paris8.fr/lit-math/maths/tony.html

CNRS-CHSPAM (Villejuif) email: tlevy@infobiogen.fr Novembre 1998 retour aux enseignants-chercheurs - Euclide et la tradition euclidienne haut de la page haut de la page

28. Jewish Astronomy In Sefarad (Spain) abraham bar hiyya of Barcelona (d. 1136) 11 is the first important Jewishastronomer in Spain. His books The Shape of the Earth , Calculation of the http://wise-obs.tau.ac.il/judaism/sefarad.html

Astronomy in Sefarad Yuval Ne'eman Mortimer and Raymond Sackler Institute of Advanced Studies Tel Aviv University , Israel 1. Greeks and Hebrews: two intertwining intellectual progressions In very broad lines, Western culture is the outcome of two independent intellectual progressions: Greek philosophy and science, centered on a rational understanding of the world - and Hebrew ethics, worrying about the condition of man and his interaction with other men. On the Greek side, we note that at the beginning of the first Century AD, Eratosthenes (250 BC) had already computed the diameter of the earth with an error of less than 1/2 %, Hipparchus (150 BC) had evaluated the distance to the Moon with a 1/3 % precision, Hero (100 BC) had invented the steam engine [1]. On the Jewish side, Abraham (1800 BC) had put an end to human sacrifice, Moses (1300 BC) had codified the day of rest, to be applied even to slaves and house animals, Amos (800 BC) had preached social justice and Isaiah (700 BC) had already conceived the idea of universal peace - in a world where war remained the explicit ideal "manly" activity for another thousand years [2]. Note that in this ethical voyage of discovery, Jewish society had evolved "schools" as early as 1000 BC [3], the earliest foundations of what was later to become a learning-oriented culture. In parallel, we have, of course, the Athens Academy ( ~ 500 BC). With the destruction of the Second Temple (70 AD), the Jewish cult and rites centre on learning much more than before. Judaism, as remodeled for a countryless nation by Yokhanan Ben Zakkay (Ist Century AD) became a study-oriented religion. Note that 1000 years later, in medieval Europe, all male Jews were literate, at a time when in most of Europe, only churchmen could read.

29. Biblioteca De Ciències I D'Enginyeries Translate this page abraham bar hiyya Ha-nasi Llibre de geometria = hibbur hameixihà uehatixbòret /Abraam La obra Forma de la tierra / de R. abraham bar hiyya Ha-Bargeloni http://www.bib.uab.es/ciencies/expo/autormillas.htm

Podeu consultar la seva bibliografia en el recull: Nota Vernet, Joan Humanitats- 1a planta 001(46)"09/14" Ver 1500044393 Humanitats- 1a planta 22=499 Bib 1500452546 V.1 Humanitats- 1a planta 22=499 Bib 1500452545 V.2 Humanitats- 1a planta 22=499 Bib 1500452586 V.8 Graf, Pablo Abadal i de Vinyals, Ramon d' Homenaje Humanitats- 1a planta 51(467.1)"04/14" Mil 1500248457 From Humanitats- 1a planta 51(=927) Fro 1500723795 V.2 Bar Hiyya, Abraham Llull, Ramon Abraham Bar Hiyya Ha-nasi Ibn Ezra, Abraham ben Meir Ochava Bar Hiyya, Abraham Ibn Asim Humanitats- 1a planta 521 Ibn 1500078825 De Humanitats- 1a planta 523.1"12" De 1500044380 Bar Hiyya, Abraham Ibn al-Raqqam, Muhammad ibn Ibrahim al-Awsi Humanitats- 1a planta 1500724191 Mas i Solench, Josep M. Humanitats- 2a planta 860.5.09"04/14" Mil 1500067334 Humanitats- 2a planta 892.4"10" Ibn 1500537383 Al-Zayyat, Ishaq ibn al-Hasan

30. Biblioteca De Ciències I D'Enginyeries Translate this page abraham bar hiyya Ha-nasi Llibre de geometria = hibbur hameixihà Bar Hiyya,Abraham La Obra enciclopédica = yésodé ha tébuná u-migdal ha-émuná / de http://www.bib.uab.es/ciencies/expo/expomillas.htm

Llista d'obres exposades: Abraham Bar Hiyya Ha-nasi Al-Din Al-Kashi, Jamshid Ghiyath The Planetary equatorium / of Jamshid Ghiyath Al-Din Al-Kashi ; with translation and commentary by E.S. Kennedy. Princenton : Princenton University Press, 1960 Al-Khuwarizmi, Muhammad ibn Musa The Astronomical tables of Al-Khwarizmi / translation with commentaries of the latin version edited by H. Suter supplemented by Corpus Christie MS 283 by O. Neugebauer. Kobenhavn : Ejnar Munksgaard, 1962 Al-Zayyat, Ishaq ibn al-Hasan Baldi, Bernardino Vite di matematici arabi / tratte da un'opera inedita di Bernardino Baldi ; con note di M. Steinschneider. Roma : Tipografia delle Scienze Matematiche e Fisique, 1874 Bar Hiyya, Abraham Bensaude, Joaquim Cantor, Moritz Critchlow, Keith Islamic patterns : an analytical and cosmological approach / Keith Critchlow. Repr. London : Thames and Hudson, 1989 D'Hollander, Raymond Encyclopedia of the history of Arabic science / edited by Roshdi Rashed. London : Routledge, 1996 Glick, Thomas F.

31. Jewish Astronomy The scene now shifts to Spain, where abraham bar hiyya Hanasi ( The Prince ) of abraham bar hiyya was a prominent mathematician and astronomer, http://visav.phys.uvic.ca/~babul/AstroCourses/P303/JewishAstro.htm

JEWISH ASTRONOMY Prehistoric astronomical activity is represented by a Stonehenge-like megalithic circle and "Observatory" at Rujm-el-Hiri, near Yonathan in the Golan, the Westernmost sector of the historical Bashan plateau dating from the IIIrd Millenium BC. Star worship is mentioned in the Old Testament as being common among the Canaanites, but the Bashan inhabitants who built that Golan megalithic circle antedate the Canaanites. Very little is known about them and the presumably religous role of their edifice. To the IIIth Century B.C. Israelitis, they appeared as the work of giants (Refa'im, also Anakim, Emim, Zuzim), and this is probably the source of the legends about races of giants that had lived in Eretz-Israel prior to the Israelite conquest — including the characterization "a remnant of the giants" for Og, King of Bashan, in Deuteronomy and Joshua. Indeed, the Rujm-el-Hiri circle is just one among many megalithic remains in the Bashan, probably at the origin in Greece and England (the "Giant's Dance" = Stonehenge). ASTRONOMY IN THE MISHNA The Israelitis' abstract monotheism and their centering of intellectual creativity on ethical issues were detrimental to a natural development of observational science, as did happen in Sumeria or Greece. However, the requirements of agriculture induced a cycle of holidays that were incorporated in time into Judaism and were given Ethnical or National religious significance. There thus developed a need for an understanding of the recurrence of seasons and for a synchronized calendar fitted to Solar, Lunar and Sidereal time . Several of the Mishnaic scholars were versed in Astronomy, such as the "Tannaim" Yehoshua ben Zakkai, the Patriarch Gamliel II and in particular Yehoshua (

32. Arzobispo Raimundo De Toledo Escuela De Traductores [1130-1187] He was assisted by abraham bar hiyya (or Chijja). Translated either from 11161138or 1134-45. Interested in Astrology. Contemporary of Juan Hispano. http://faculty.washington.edu/petersen/alfonso/esctra12.htm

Arzobispo Raimundo de Toledo Escuela de Traductores [1130-1187] The three greatest translators whose activities are supported by Raimundo: Iohannes Avendehut Hispanus . Hispanic Jew, translator and compiler-author ( also called Iohannes Hyspalensis, Johannes Hispanicus, Johannes Toletanus, Avendeuth, Juan Hispano . With Juan Hispano and their patron, the Archbishop, he is one of the founders of the Toledan School. His activity extends from 1130 to 1180. Unlike his friend, he limits he focusses exclusively on philosophy, translating Greek and Arabic works and the commentaries of the earlier Moslem thinkers in the peninsula. Less faithful to the original texts, he frequently eliminated passages and added his own commentary. Gundisalvo depended on Juan Hispano for the translations from Arabic until late in his career when he controlled Arabic sufficiently to translate for himself (ex. Avicenas Metaphysics Al-sifa ). As an author he, but not his Jewish co-worker, avoided neoplatonism and even attacked it. Gherardus Cremonensis According to his disciples, he came to Toledo en 1167 in search of Ptolemy's

33. Abraham Bar Hiyya - Viquipèdia Translate this page abraham bar hiyya (o Abraham Iudaeus Savasorda) (Barcelona, segle XII), fou unMatemàtic, astrònom i filòsof hebreu. És autor de diversos tractats i de http://ca.wikipedia.org/wiki/Abraham_Bar_Hiyya

Wikimedia necessita el teu ajut en la seva campanya per recaptar USD 200.000 . Vegeu la nostra p gina de recaptaci³ de fons per m©s detalls. Abraham Bar Hiyya De Viquip¨dia Abraham Bar Hiyya (o Abraham Iudaeus Savasorda Barcelona segle XII ), fou un Matem tic astr²nom i fil²sof hebreu . ‰s autor de diversos tractats i de nombroses obres matem tiques i astron²miques que contribu¯ren a la difusi³ de la ci¨ncia ar biga en el m³n occidental. Destaca la seva obra Geometria pr ctica ), escrita en hebreu A§² ©s un esborrany , ajudeu a fer-lo cr©ixer fins a convertir-lo en un article Obtingut de " http://ca.wikipedia.org/wiki/Abraham_Bar_Hiyya Categories Matem tics Astr²noms ... Catalans Views Article Discussi³ Edita Historial Eines personals Registre/Entrada Navegaci³ Portada La taverna Actualitat Canvis recents ... Donatius Cerca Eines El que enlla§a ac­ Seguiment d'enlla§os Carrega P gines especials ... Enlla§ permanent Altres idiomes English Slovenščina Aquesta p gina ha estat modificada per ºltima vegada el 07:11 8 ago, 2005. El contingut ©s disponible sota la GNU Free Documentation License Quant a la Viquip¨dia Av­s legal

34. BIBLIOTHECA ASTROLOGICA LATINA NUMERICA Translation Plato of Tivoli with the help of abraham bar hiyya, 1136. Significancethe Capitula (or Iudicia) Almansoris are preserved in over forty http://www.sas.ac.uk/warburg/mnemosyne/orientation/Bibastro.htm

Guide Action Orientation Word ... Home BIBLIOTHECA ASTROLOGICA NUMERICA Click here for check list of digitised texts Notices by David Juste Haly Abenragel, De iudiciis astrorum Albumasar, Flores ... De electionibus (click the ball, next to the title to access the notice - click the title to access the text) Haly Abenragel, De iudiciis astrorum Author Original title Translation: the Latin text was translated from the Old Castilian version made by Yehuda ben Moshe for Alfonso X in 1254. Significance: one of the most extensive astrological compilation of the Middle Ages. At least 25 extant manuscripts and 7 printed editions from 1485 to 1571. Contents: eight books, covering all branches of astrology: Books I-III (pp. 1-114) deal with interrogations; Books IV-VI (pp. 144-296) with nativities; Book VII (pp. 296-351) with elections; and Book VIII (pp. 352-410) with revolutions and general astrology. Book I opens with some general considerations on the zodiac signs, terms, decans, planets, etc. The work is preceded by a table of contents (sig. b2-b5). Reproduction: Basel, Henrichus Petrus, 1551 [Warburg FAH 890], 410 pp.

35. V Translate this page abraham bar hiyya Ha-Nasi, Llibre revelador Meguillat Hamegallè, éd. J. Guttman,trad. de l’hébreu J. Millas Vallicrosa, Barcelona, 1929, 252 pp. http://www.sas.ac.uk/warburg/mnemosyne/orientation/astrobibl/editions de sources

V. Editions de sources (sélection) V. 1. Antiquité Catalogus Codicum Astrologorum Graecorum , éd. F. Cumont, F. Boll, e.a., Bruxelles, 1898-1953, 12 tomes en 20 vols. Dorotheus de Sidon, Carmen astrologicum , éd. D. Pingree, Leipzig, 1976, 444 pp. (texte arabe -avec trad. anglaise- et fragments grecs et latins) Firmicus Maternus, Matheseos libri VIII , éd. W. Kroll, F. Skutsch, K. Ziegler, Leipzig, 1897-1913, 3 vols. (réimpr. Stuttgart, 1968, 2 vols.) Mathesis , éd.-trad. P. Monat, Paris, 1992-1997, 3 vols. Heliodoros, In Paulum Alexandrinum Commentarium , éd. E. Boer, Leipzig, 1962 Hephestion de Thèbes, Apotelesmatica libri III , éd. D. Pingree, Leipzig, 1973-1974, 2 vols. Hermes [voir V.2] Manilius, Astronomica , éd.-trad. G.P. Goold, Cambridge (Mass.)-London, 1977 (rééd. sans la trad., Leipzig, 1985 et 1998) Astronomiques , éd.-trad. A.G. Pingre, in Nisard. Collection des auteurs latins , 18, Paris, 1851, pp. 633-736 Les « Astrologiques » ou la science sacrée du ciel , trad. R. Alleau, Paris, 1970 Néchepso-Pétosiris, Fragmenta magica , éd.

36. Abraham Ben Meir Ibn Ezra - Columbia Encyclopedia® Article About Abraham Ben Me Abraham Baldwin Agricultural College abraham bar hiyya abraham bar hiyyaHaNasi Abraham Beame Abraham ben Abraham Abraham ben David http://columbia.thefreedictionary.com/Abraham ben Meir ibn Ezra

Domain='thefreedictionary.com' word='Abraham ben Meir ibn Ezra' join mailing list Word (phrase): Word Starts with Ends with Definition subscription: Dictionary/ thesaurus Computing dictionary Medical dictionary Legal dictionary Financial dictionary Acronyms Columbia encyclopedia Wikipedia encyclopedia Hutchinson encyclopedia Abraham ben Meir ibn Ezra Also found in: Wikipedia 0.01 sec. Page tools Printer friendly Cite / link Email Feedback Abraham ben Meir ibn Ezra: see Ibn Ezra, Abraham ben Meir Ibn Ezra, Abraham ben Meir Click the link for more information. Mentioned in References in classic literature No references found No references found Columbia browser Full browser abolitionists Abomey abominable snowman aborigines ... Abraham Abraham ben Meir ibn Ezra Abraham Lincoln Birthplace National Historic Site Abraham, Plains of Abram Abramovich, Sholem Yakov ... Abraham Ben David Halevi Ibn Daud Abraham ben Meir ibn Ezra Abraham Berge Abraham Bing Abraham Blauvelt Abraham Bloemaart ... Abraham Ecker Word (phrase): Word Starts with Ends with Definition Free Tools: For surfers: Browser extension Word of the Day NEW!

37. Abraham - Columbia Encyclopedia® Article About Abraham Abraham Baldwin Agricultural College abraham bar hiyya HaNasi Abraham benMeir ibn Ezra Abraham ben Meir ibn Ezra Abraham Berge http://columbia.thefreedictionary.com/Abraham

Domain='thefreedictionary.com' word='Abraham' join mailing list Word (phrase): Word Starts with Ends with Definition subscription: Dictionary/ thesaurus Computing dictionary Medical dictionary Legal dictionary Financial dictionary Acronyms Columbia encyclopedia Wikipedia encyclopedia Hutchinson encyclopedia Abraham Also found in: Dictionary/thesaurus Acronyms Wikipedia Hutchinson 0.04 sec. Page tools Printer friendly Cite / link Email Feedback Abraham [according to the Book of Genesis, Heb.,=father of many nations] or Abram [Heb.,=exalted father], in the Bible, progenitor of the Hebrews; in the Qur'an, ancestor of the Arabs. As the founder of Judaism Judaism (j , the religious beliefs and practices and the way of life of the Jews . Click the link for more information. , he is said to have instituted the rite of circumcision as a sign of the covenant between God and the Jews, who are descended from Isaac Isaac [Heb.,=laughter], according to the patriarchal narratives of the Book of Genesis, Isaac was the only son of Abraham and Sara . He married Rebecca , and their sons were Esau and Jacob . Click the link for more information.

38. History Of Astronomy: What's New At This Site On March 25, 1999 abraham bar hiyya HaNasi Abraham Ben Chaja Chija; Abraham Judaeus (c.1070-1136(?)) Short biography and references. Abraham Ben Dior Ben David, http://www.astro.uni-bonn.de/~pbrosche/new/new990325.html

History of Astronomy What's new History of Astronomy: What's new at this site on March 25, 1999 Some URLs have been updated. Welcome / About Citation Index updated Acknowledgements updated History of astronomy General Astronomie- und Raumfahrtgeschichte Persons ... A Aaronson, Marc (1950-1987) Short biography and references Abbe, Ernst Short biography and references Abbon [Abbo, Albo, Albon (de Fleury, Floriacensis)], St. (c. 945-1004) Short biography and references Abbot, Charles Greeley (1872-1973) Short biography and references Abbott, Francis (1799-1883) Short biography and reference Abell, George Ogden (1927-1983) Very short data and reference Abetti, Giorgio (1882-1982) Short biography and references Abney, Sir William de Wiveleslie (1843-1920) Short biography and references Abraham bar Hiyya Ha-Nasi [Abraham Ben Chaja [Chija]; Abraham Judaeus] (c. 1070-1136(?)) Short biography and references Abraham Ben Dior [Ben David, Harischon; Josophat Ben Levi] (12th c.) Very short biography and references Abraham Zachut (15th c.)

39. History Of Astronomy: Persons (A) 870950); abraham bar hiyya Ha-Nasi Abraham Ben Chaja Chija; AbrahamJudaeus (c.1065-c.1136). Short biography and references (MacTutor Hist. Math. http://www.astro.uni-bonn.de/~pbrosche/persons/pers_a.html

History of Astronomy Persons History of Astronomy: Persons (A) Deutsche Fassung Aaronson, Marc Abbadie, Antoine ... Abbon de Fleury [Abbo of Fleury; Abbo von Fleury; Albo; Albon Floriacensis] (c. 945-1004) Abbot, Charles Greeley Abbott, Francis Abbott, Francis (Jnr) Abel, Niels Henrik ... Abiosi [Abbiosi], Giovanni Battista [Jean-Baptiste] (fl. 1490-1520) Ablufarabius: see al-Farabi, Mohammed (c. 870-950) Abraham bar Hiyya Ha-Nasi [Abraham Ben Chaja [Chija]; Abraham Judaeus] (c.1065-c.1136) Short biography and references (MacTutor Hist. Math.) Short biography and references (C. Plicht) Short biography (Encycl. Brit.) Abraham Ben Dior [Ben David, Harischon; Josophat Ben Levi] (12th c.) Very short biography and references (C. Plicht) Abraham ben Meir ibn Ezra: see Ezra, Abraham ben Meir ibn (1092-1167) Abraham Zachut [Abraham Zacuto; Zagut] (c. 1450 - c. 1510) Very short biography and reference (C. Plicht) Abu Abdallah al-Battani (868-929): see al-Battani Abu al-Hasan: see Ali Ibn Rabban al-Tabari (838-870) Abu Ali Hasan Ibn al-Haitham (965-1040): see al-Haitham Abu al-Nasr al-Farabi (870-950): see al-Farabi Abu Dschaasar Almansur (712-775) Short biography and references (C. Plicht)

40. Quadratic Equation -- Facts, Info, And Encyclopedia Article (Click link for more info and facts about abraham bar hiyya HaNasi) Abraham barHiyya Ha-Nasi (also known by the (Any dialect of the language of ancient http://www.absoluteastronomy.com/encyclopedia/q/qu/quadratic_equation.htm

Quadratic equation [Categories: Equations, Elementary algebra] In (A science (or group of related sciences) dealing with the logic of quantity and shape and arrangement) mathematics , a quadratic equation is a (A mathematical expression that is the sum of a number of terms) polynomial (A mathematical statement that two expressions are equal) equation of the second (A specific identifiable position in a continuum or series or especially in a process) degree . The generalized form is The numbers a b and c are called coefficients a is the coefficient of x b is the coefficient of x , and c is the free term or constant. A quadratic equation with (An old small silver Spanish coin) real or ((psychoanalysis) a combination of emotions and impulses that have been rejected from awareness but still influence a person's behavior) complex coefficients has two complex roots (i.e., solutions for x when y = 0) usually denoted as and , although the two roots may be equal. These roots can be computed using the quadratic formula Higher-degree equations may be quadratic in form , such as: Note that the highest exponent is twice the value of the exponent of the middle term. This equation may be resolved directly or with a simple substitution, using the methods that are available for the quadratic, such as factoring (also called factorising), the quadratic formula, or completing the square.

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