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Robert Of Ketton
Robert of Ketton, known in Latin as Rodbertus Ketenensis ( 1141–1157), was an English astronomer, translator, priest and diplomat active in Spain. He translated several works of Arabic into Latin, including the first translation of the Quran into any Western language. Between 1144 and 1157 he held an archdeaconry in the diocese of Pamplona. In the past he has been confounded with Robert of Chester (Latin ''Robertus Castrensis''), another English translator active in Spain in the mid-twelfth century; and at least one modern scholar believes they are the same person.Charles Burnett, "Ketton, Robert of (''fl''. 1141–1157)", ''Oxford Dictionary of National Biography'' (Oxford University Press, 2004). Robert's byname, ''Ketenensis'' or on one occasion ''de Ketene'', is usually taken to refer to Ketton, a village in Rutland, a few miles from Stamford, Lincolnshire. It was probably Robert's birthplace. This nickname was never used in official documents associated with Pamplona, where ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Arabic
Arabic (, ' ; , ' or ) is a Semitic languages, Semitic language spoken primarily across the Arab world.Semitic languages: an international handbook / edited by Stefan Weninger; in collaboration with Geoffrey Khan, Michael P. Streck, Janet C. E.Watson; Walter de Gruyter GmbH & Co. KG, Berlin/Boston, 2011. Having emerged in the 1st century, it is named after the Arabs, Arab people; the term "Arab" was initially used to describe those living in the Arabian Peninsula, as perceived by geographers from ancient Greece. Since the 7th century, Arabic has been characterized by diglossia, with an opposition between a standard Prestige (sociolinguistics), prestige language—i.e., Literary Arabic: Modern Standard Arabic (MSA) or Classical Arabic—and diverse vernacular varieties, which serve as First language, mother tongues. Colloquial dialects vary significantly from MSA, impeding mutual intelligibility. MSA is only acquired through formal education and is not spoken natively. It is ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Al-Kindi
Abū Yūsuf Yaʻqūb ibn ʼIsḥāq aṣ-Ṣabbāḥ al-Kindī (; ar, أبو يوسف يعقوب بن إسحاق الصبّاح الكندي; la, Alkindus; c. 801–873 AD) was an Arab Muslim philosopher, polymath, mathematician, physician and music theorist. Al-Kindi was the first of the Islamic peripatetic philosophers, and is hailed as the "father of Arab philosophy". Al-Kindi was born in Kufa and educated in Baghdad. He became a prominent figure in the House of Wisdom, and a number of Abbasid Caliphs appointed him to oversee the translation of Greek scientific and philosophical texts into the Arabic language. This contact with "the philosophy of the ancients" (as Hellenistic philosophy was often referred to by Muslim scholars) had a profound effect on him, as he synthesized, adapted and promoted Hellenistic and Peripatetic philosophy in the Muslim world. He subsequently wrote hundreds of original treatises of his own on a range of subjects ranging from metaphysics, ethi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Toledan Collection
The ''Corpus Cluniacense'' or ''Corpus Islamolatinum'', sometimes erroneously the ''Corpus Toledanum'', is a collection of Latin writings about Islam compiled in 1142–1143. At its centre are translations from Arabic of five Islamic works, including the Qurʾān. The corpus was commissioned by Abbot Peter the Venerable of Cluny during a trip to Spain. The team of translators was led by Robert of Ketton, who translated the Qurʾān. The other translators were Herman of Carinthia, Peter of Toledo and a Muslim named Muḥammad. They were assisted in their Latin by Peter of Poitiers. The ''Corpus'' comprises: #a brief introduction #''Summa totius haeresis ac diabolice secte Sarracenorum'' ('Sum of all the Heresies and Diabolical Sect of the Saracens'), this is a summary that Peter of Poitiers composed of Peter the Venerable's ''Liber contra sectam siue haeresim Sarracenorum'' #''Epistula domini Petri abbatis ad dominum Bernardum Clare Uallis abbatem'', this is Peter the Venerab ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Logroño
Logroño () is the capital of the province of La Rioja, situated in northern Spain. Traversed in its northern part by the Ebro River, Logroño has historically been a place of passage, such as the Camino de Santiago. Its borders were disputed between the Iberian kingdoms of Castille, Navarre and Aragon during the Middle Ages. The population of the city in 2021 was 150,808 while the metropolitan area included nearly 200,000 inhabitants. The city is a centre of trade of Rioja wine, for which the area is noted, and manufacturing of wood, metal and textile products. Etymology Origin of the name The origin of this toponym is, as for many other places, unknown. The name ''Lucronio'' was first used in a document from 965 where García Sánchez I of Pamplona donated the so-called place to the Monastery of San Millán. In the fuero from 1095 it appeared under the name ''Logronio'', except once when it was called ''illo Gronio''. The most broadly accepted theses seem to be those ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ebro
, name_etymology = , image = Zaragoza shel.JPG , image_size = , image_caption = The Ebro River in Zaragoza , map = SpainEbroBasin.png , map_size = , map_caption = The Ebro river basin , pushpin_map = , pushpin_map_size = , pushpin_map_caption= , subdivision_type1 = Country , subdivision_name1 = Spain , subdivision_type2 = Region , subdivision_name2 = Cantabria, Castile and León, Basque Country (autonomous community), La Rioja, Navarre, Aragon, Catalonia, Valencian Community , subdivision_type3 = , subdivision_name3 = , length = , width_min = , width_avg = , width_max = , depth_min = , depth_avg = , depth_max = , discharge1_location= mouth , discharge1_min = , discharge1_avg = , discharge1_max = , source1 = , source1_location = Fontibre, Cantabria, Spain , source1_ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Al-Battani
Abū ʿAbd Allāh Muḥammad ibn Jābir ibn Sinān al-Raqqī al-Ḥarrānī aṣ-Ṣābiʾ al-Battānī ( ar, محمد بن جابر بن سنان البتاني) ( Latinized as Albategnius, Albategni or Albatenius) (c. 858 – 929) was an astronomer and mathematician from Harran. He introduced a number of trigonometric relations, and his ''Kitāb az-Zīj'' was frequently quoted by many medieval astronomers, including Copernicus. Often called the "Ptolemy of the Arabs", al-Battani is perhaps one of the greatest and best known astronomer of the medieval Islamic world. Life Little of al-Battānī's life is known other than his birthplace in Harran near Urfa, in Upper Mesopotamia, (today in Turkey) and his father's fame as a maker of scientific instruments. Jabir ibn Sinan al-Harrani was likely this famous instrument maker, although this is not something that has been proven. His epithet ''aṣ-Ṣabi’'' suggests that his family belonged to the Sabian religion of Harran, an obscur ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Planisphere
In astronomy, a planisphere () is a star chart analog computing instrument in the form of two adjustable disks that rotate on a common pivot. It can be adjusted to display the visible stars for any time and date. It is an instrument to assist in learning how to recognize stars and constellations. The astrolabe, an instrument that has its origins in Hellenistic astronomy, is a predecessor of the modern planisphere. The term ''planisphere'' contrasts with ''armillary sphere'', where the celestial sphere is represented by a three-dimensional framework of rings. Description A planisphere consists of a circular star chart attached at its center to an opaque circular overlay that has a clear elliptical window or hole so that only a portion of the sky map will be visible in the window or hole area at any given time. The chart and overlay are mounted so that they are free to rotate about a common axis. The star chart contains the brightest stars, constellations and (possibly) deep- ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Adelard Of Bath
Adelard of Bath ( la, Adelardus Bathensis; 1080? 1142–1152?) was a 12th-century English natural philosopher. He is known both for his original works and for translating many important Arabic and Greek scientific works of astrology, astronomy, philosophy, alchemy and mathematics into Latin from Arabic versions, which were then introduced to Western Europe. The oldest surviving Latin translation of Euclid's ''Elements'' is a 12th-century translation by Adelard from an Arabic version. He is known as one of the first to introduce the Arabic numeral system to Europe. He stands at the convergence of three intellectual schools: the traditional learning of French schools, the Greek culture of Southern Italy, and the Arabic science of the East. Background Adelard's biography is incomplete in places and leaves some aspects open to interpretation. As a result, much of what is ascribed to Adelard is a product of his own testimony. As his name suggests, he claims to come from the Roma ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Almagest
The ''Almagest'' is a 2nd-century Greek-language mathematical and astronomical treatise on the apparent motions of the stars and planetary paths, written by Claudius Ptolemy ( ). One of the most influential scientific texts in history, it canonized a geocentric model of the Universe that was accepted for more than 1,200 years from its origin in Hellenistic Alexandria, in the medieval Byzantine and Islamic worlds, and in Western Europe through the Middle Ages and early Renaissance until Copernicus. It is also a key source of information about ancient Greek astronomy. Ptolemy set up a public inscription at Canopus, Egypt, in 147 or 148. N. T. Hamilton found that the version of Ptolemy's models set out in the ''Canopic Inscription'' was earlier than the version in the ''Almagest''. Hence the ''Almagest'' could not have been completed before about 150, a quarter-century after Ptolemy began observing. Names The name comes from Arabic ', with ' meaning "the", and ''magesti'' bei ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Claudius Ptolemy
Claudius Ptolemy (; grc-gre, Πτολεμαῖος, ; la, Claudius Ptolemaeus; AD) was a mathematician, astronomer, astrologer, geographer, and music theorist, who wrote about a dozen scientific treatises, three of which were of importance to later Byzantine, Islamic, and Western European science. The first is the astronomical treatise now known as the '' Almagest'', although it was originally entitled the ''Mathēmatikē Syntaxis'' or ''Mathematical Treatise'', and later known as ''The Greatest Treatise''. The second is the ''Geography'', which is a thorough discussion on maps and the geographic knowledge of the Greco-Roman world. The third is the astrological treatise in which he attempted to adapt horoscopic astrology to the Aristotelian natural philosophy of his day. This is sometimes known as the ''Apotelesmatika'' (lit. "On the Effects") but more commonly known as the '' Tetrábiblos'', from the Koine Greek meaning "Four Books", or by its Latin equivalent ''Quadripart ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sphaerics
''Sphaerics'' ( grc, Σφαιρικά) was a set of three volumes on spherical geometry written by Theodosius of Bithynia in the 2nd century BC. These proved essential in the restoration of Euclidean geometry to Western civilization, when brought back from the Islamic world during the crusades and translated back from Arabic into Latin. History Theodosius appears to have written ''Sphaerics'' as a supplement to Euclid's ''Elements'', allowing its application in astronomy. Elements had lacked spherical geometry. Sphaerics had its own shortcomings, for example Hipparchus had already introduced trigonometry, but Theodosius makes no use of it, perhaps because he was basing it on an earlier work by Eudoxus. Theodosius' primary function in this, and other, works is to gather together existing information into one place. In the first book of Sphaerics, he carefully explains that a sphere is a shape whose surface is an equal distance, in any spot, from a central point, and then goes on t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Theodosius Of Bithynia
Theodosius of Bithynia ( grc-gre, Θεοδόσιος; c. 169 BCc. 100 BC) was a Greek astronomer and mathematician who wrote the ''Sphaerics'', a book on the geometry of the sphere. Life Born in Tripolis, in Bithynia, Theodosius was mentioned by Strabo as among the residents of Bithynia distinguished for their learning, and one whose sons were also mathematicians. He was cited by Vitruvius as having invented a sundial suitable for any place on Earth. His chief work, the ''Sphaerics'' ( grc-gre, σφαιρικά), provided the mathematics for spherical astronomy, and may have been based on a work by Eudoxus of Cnidus.Ivor Bulmer-Thomas"Theodosius of Bithynia,"in Dictionary of Scientific Biography, Encyclopedia.com, 2008. It is reasonably complete, and remained the main reference on the subject at least until the time of Pappus of Alexandria (4th century AD). The work was translated into Arabic in the 10th century, and then into Latin in the early 16th century, but these ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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