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         Eudoxus Of Cnidus:     more detail
  1. Celestial Spheres: Dynamics of the celestial spheres, Plato, Eudoxus of Cnidus, Aristotle, Ptolemy, Nicolaus Copernicus, Moon, Mercury (planet), Venus, ... Saturn, Axial precession (astronomy)
  2. Eudoxus of Cnidus: An entry from Gale's <i>Science and Its Times</i> by Judson Knight, 2001
  3. Proportionality Mathematics: Proportionality Mathematics, Mathematics, Quantity, Mathematical Constant, Multiple, Ratio, Proportionality, Correlation and Dependence, Eudoxus of Cnidus
  4. Callipus: An entry from Gale's <i>Science and Its Times</i> by Stephen D. Norton, 2001
  5. The Republic (Optimized for Kindle) by Plato, 2008-03-12
  6. Two Studies in the Early Academy by R. M. Dancy, 1991-08-06

21. 4th Century BC: Information From Answers.com
In the year 380 bce Astronomy eudoxus of cnidus b. Cnidus (Turkey) c. 408 bce , d.Cnidus, c. 355 bce develops the first version of a theoretical.
http://www.answers.com/topic/4th-century-bc
showHide_TellMeAbout2('false'); Business Entertainment Games Health ... More... On this page: Wikipedia Mentioned In Or search: - The Web - Images - News - Blogs - Shopping 4th century BC In the year bce Astronomy Eudoxus of Cnidus [b. Cnidus (Turkey) c. 408 bce , d. Cnidus, c. 355 bce ] develops the first version of a theoretical explanation of the motions of the planets, probably in response to a problem posed by Plato. He assigns each planet three or four spheres, each of which is centered on Earth. As the planet moves on the innermost sphere, that sphere is also carried by the next sphere out, which in turn is carried by the third sphere (and that by a fourth for each planet, with three needed only for the Sun and Moon). Each sphere moves uniformly on its own axis of rotation. By carefully choosing the axes and speeds for each of 27 spheres, the system describes the motions of all the heavenly bodies up to the limits of observations at that time. See also bce Astronomy bce Astronomy Communication Eudoxus improves on the primitive map of the Earth of Hecataeus.

22. Eudoxus Of Cnidus
Eudoxus, born in the city of Cnidus in southern Asia Minor, in the last years ofthe Vth century BC, is one of the great mathematicians of all times,
http://plato-dialogues.org/tools/char/eudoxus.htm
Bernard SUZANNE Last updated December 5, 1998 Plato and his dialogues : Home Biography Works History of interpretation ... New hypotheses - Map of dialogues : table version or non tabular version . Tools : Index of persons and locations Detailed and synoptic chronologies - Maps of Ancient Greek World . Site information : About the author This page is part of the "tools" section of a site, Plato and his dialogues , dedicated to developing a new interpretation of Plato's dialogues. The "tools" section provides historical and geographical context (chronology, maps, entries on characters and locations) for Socrates, Plato and their time. For more information on the structure of entries and links available from them, read the notice at the beginning of the index of persons and locations Eudoxus, born in the city of Cnidus in southern Asia Minor, in the last years of the Vth century B. C., is one of the great mathematicians of all times, and probably the greatest of ancient Greece's mathematicians. He may have belonged to a family of physicians, because, at the time, Cnidus was famous for its school of medicine, and started his carrier travelling with fellow-physicians. When he was 23, he stayed for two months in , going each day to Athens to listen to Plato and other Socratics. Later he went to Egypt, where he learned astronomy from priests of Heliopolis. Back from Egypt, he went to

23. Synoptic Chronology Of Greek Thinkers And Writers
Archytas of Tarentum, Aristippus of Cyrene, Aristophanes, Aristotle, Democritus,Empedocles, Epicurus, Euclid of Megara, eudoxus of cnidus, Euripides,
http://plato-dialogues.org/tools/synopsis.htm
Bernard SUZANNE Last updated January 3, 1999 Plato and his dialogues : Home Biography Works and links to them History of interpretation New hypotheses - Map of dialogues : table version or non tabular version . Tools : Index of persons and locations Detailed and synoptic chronologies - Maps of Ancient Greek World . Site information : About the author
Synoptic chronology of Greek Thinkers and Writers
This synopsis presents a visual chronology of some of the Greek writers and thinkers that preceeded, were contemporaries of, and followed Socrates and Plato, allowing to quickly see in what order they lived and who was contemporary of whom. It also includes for context some of the most prominent political leaders of the time. The dates are associated with the Olympiad numbers that were used as reference by the Greek themselves. The reader must be warned that many of the dates of birth and death here provided are only tentative, and may differ in different sources, sometimes (such as with Parmenides, for instance) by several years. The purpose of this synopsis is not to pretend to utmost accuracy, or to suggest new datings, but to provide a feel for who might have been contemporary of whom. Accordingly, the dates used were those available from widely available history books or encyclopediae, and I didn't try to ascertain these before using them. To get a more "concrete" feel for this chronology, a

24. Eudoxus Of Cnidus. The Columbia Encyclopedia, Sixth Edition. 2001-05
eudoxus of cnidus. The Columbia Encyclopedia, Sixth Edition. 200105.
http://www.bartleby.com/65/eu/EudoxusCn.html
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25. Eudoxus Of Cnidus
eudoxus of cnidus, yOOdok sus, ni dus Pronunciation Key. eudoxus of cnidus ,408?–355? BC, Greek astronomer, mathematician, and physician.
http://www.factmonster.com/ce6/people/A0817824.html
  • Home U.S. People Word Wise ... Homework Center Fact Monster Favorites Reference Desk Encyclopedia Eudoxus of Cnidus [y OO u u s] Pronunciation Key Eudoxus of Cnidus B.C. , Greek astronomer, mathematician, and physician. From the accounts of various ancient writers, he appears to have studied with Plato in Athens, spent some time in Heliopolis, Egypt, founded a school in Cyzicus, and spent his later years in Cnidus, where he had an observatory. It is claimed that he calculated the length of the solar year, indicating a calendar reform like that made later by Julius Caesar, and that he was the discoverer of some parts of geometry included in the work of Euclid. He was the first Greek astronomer to explain the movements of the planets in a scientific manner. His system involved a number of concentric spheres supporting the planets in their paths. Some scientists still held this belief at the time of Copernicus. The Columbia Electronic Encyclopedia

26. Cyzicus
eudoxus of cnidus eudoxus of cnidus , 408?–355? BC, Greek astronomer, mathematician,and physician. From the See more Encyclopedia articles on
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27. Eudoxus Of Cnidus Biography / Biography Of Eudoxus Of Cnidus Biographies
eudoxus of cnidus Biography profile biographies life history.
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Name: Eudoxus of Cnidus Birth Date: c. 408 B.C. Death Date: c. 355 B.C. Place of Birth: Cnidus, Greece Nationality: Greek Gender: Male Occupations: astronomer, mathematician, physician Eudoxus of Cnidus Biographies The following biographies focus on different aspects of Eudoxus of Cnidus's life and work. All biographies listed are included in the Eudoxus of Cnidus Biography Pass.
Eudoxus of Cnidus Biography Each biography is written by a biographical expert, professional educator, or scholar of the individual.

28. Eudoxus Of Cnidus
eudoxus of cnidus (The Columbia Encyclopedia, Sixth Edition). Eudoxus ofCnidus (408355 BC) (The Hutchinson Dictionary of Scientific Biography)
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29. Cnidus
eudoxus of cnidus (The Columbia Encyclopedia, Sixth Edition) Eudoxus ofCnidus (408355 BC) (The Hutchinson Dictionary of Scientific Biography)
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30. Eudoxus Of Cnidus
eudoxus of cnidus Born c. 390 BC Birthplace Cnidus, Asia Minor Eudoxus, ofCnidus, Greek savant, flourished about the middle of the 4th century BC.
http://www.nndb.com/people/658/000096370/
This is a beta version of NNDB Search: All Names Living people Dead people Band Names Book Titles Movie Titles Full Text for Eudoxus of Cnidus Born: c. 390 BC
Birthplace: Cnidus, Asia Minor
Died: c. 340 BC
Location of death: Cnidus, Asia Minor
Cause of death: unspecified
Gender: Male
Ethnicity: White
Occupation: Mathematician Astronomer Level of fame: Niche
Executive summary: Influential Greek mathematician Plato , but, being dismissed, passed over into Egypt, where he remained for sixteen months with the priests of Heliopolis. He then taught physics in Cyzicus and the Propontis, and subsequently, accompanied by a number of pupils, went to Athens. Towards the end of his life he returned to his native place, where he died. Strabo states that he discovered that the solar year is longer than 365 days by 6 hours; Vitruvius that he invented a sundial. The Phaenomena of Aratus is a poetical account of the astronomical observations of Eudoxus. In astronomy he described constellations, and attempted a model of the solar system. Several works have been attributed to him, but they are all lost; some fragments are preserved in the extant work of the astronomer Hipparchus. According to Aristotle 's Ethics , Eudoxus held that pleasure was the chief good, because (1) all beings sought it and endeavored to escape its contrary, pain; (2) it is an end in itself, not a relative good. Aristotle, who speaks highly of the sincerity of Eudoxus's convictions, while giving a qualified approval to his arguments, considers him wrong in not distinguishing the different kinds of pleasure and in making pleasure the

31. Eudoxus Of Cnidus (c. 400-c. 347 B.C.)
eudoxus of cnidus (c. 400c. 347 BC). A Greek mathematician and astronomer whodevised a scheme of the heavens in which the Sun, Moon, and planets traveled
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Eudoxus of Cnidus (c. 400-c. 347 B.C.)
A Greek mathematician and astronomer who devised a scheme of the heavens in which the Sun, Moon, and planets traveled around Earth on 27 geocentric spheres, rotating at different speeds and inclinations. This concept of planetary motion, refined by Callipus and ultimately by Ptolemy , provided the standard model of the cosmos for 2,000 years. GREEK ASTRONOMY
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32. AllRefer.com - Eudoxus Of Cnidus (Astronomy, Biography) - Encyclopedia
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Related Category: Astronomy, Biographies Eudoxus of Cnidus [y OO u s, n I u s] Pronunciation Key B.C. , Greek astronomer, mathematician, and physician. From the accounts of various ancient writers, he appears to have studied with Plato in Athens, spent some time in Heliopolis, Egypt, founded a school in Cyzicus, and spent his later years in Cnidus, where he had an observatory. It is claimed that he calculated the length of the solar year, indicating a calendar reform like that made later by Julius Caesar, and that he was the discoverer of some parts of geometry included in the work of Euclid. He was the first Greek astronomer to explain the movements of the planets in a scientific manner. His system involved a number of concentric spheres supporting the planets in their paths. Some scientists still held this belief at the time of Copernicus.
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33. Eudoxus
We re here with the ghost of the famous mathematician, eudoxus of cnidus. “eudoxus of cnidus Encylcopedia Britanica. 1999 ed.
http://www.3villagecsd.k12.ny.us/wmhs/Departments/Math/OBrien/eudoxus.html
Eudoxus We're here with the ghost of the famous mathematician, Eudoxus of Cnidus. Responsible for many mathematical feats, he was also a famous astronomer and legislator. Q. When were you born? A. About 400 BC. My father was Aischimes. Q. Where were you born? A. Cnidus, on the Black Sea. It is located in Asia Minor, or current day Turkey. Q. Did you receive any education? A. First I studied under Archytas, a follower of Pythagoras, who influenced my math career. I later studied medicine with Philistium on Sicily. Then when I was twenty-three years old, I went to Plato's academy in Athens where I studied philosophy and rhetoric. I also studied astronomy in Egypt at Helopolis. Q. After receiving your education, what did you do? A. I established a school at Cyzicus, located in northwestern Asia Minor, on the shore of the Marmora Sea. I returned with my pupils to Athens in 365 BC. There, I became a colleague of Plato and a respected legislator. Q. Were you close friends with Plato? A. Actually, he was jealous of how popular my school was. So, as you can imagine, we weren't exactly great friends. Q. When did you die?

34. Encyclopedia Of Astronomy And Astrophysics » Eudoxus Of Cnidus (c. 400–c.
eudoxus of cnidus (c. 400–c. 347 BC). DOI 10.1888/0333750888/3609; PublishedNovember 2000. Icon Full text (PDF, 21K)
http://eaa.iop.org/index.cfm?action=summary&doc=eaa/3609@eaa-xml

35. Encyclopedia Of Astronomy And Astrophysics » Planetary Theory From Eudoxus To C
Planetary Theory from Eudoxus to Copernicus. Author. NM Swerdlow. DOI10.1888/0333750888/1923; Published November 2000 eudoxus of cnidus
http://eaa.iop.org/index.cfm?action=summary&doc=eaa/1923@eaa-xml

36. Article About "Eudoxus Of Cnidus" In The English Wikipedia On 24-Jul-2004
The eudoxus of cnidus reference article from the English Wikipedia on 24Jul-2004 eudoxus of cnidus. Another article treats of Eudoxus of Cyzicus.
http://july.fixedreference.org/en/20040724/wikipedia/Eudoxus_of_Cnidus
The Eudoxus of Cnidus reference article from the English Wikipedia on 24-Jul-2004 (provided by Fixed Reference : snapshots of Wikipedia from wikipedia.org)
Eudoxus of Cnidus
Another article treats of Eudoxus of Cyzicus Eudoxus of Cnidus Greek 408 BC - circa 347 BC ) was a Greek astronomer mathematician physician , scholar and friend of Plato . Since all his own works are lost, our knowledge of him is obtained from secondary sources, such as Aratus 's poem on astronomy He was a pupil in mathematics of Archytas in Athens . In mathematical astronomy his fame is due to the introduction of the astronomical globe , and his early contributions to understanding the movement of the planets His work on proportions shows tremendous insight into numbers ; it allows rigorous treatment of continuous quantities and not just whole numbers or even rational numbers . When it was revived by Tartaglia and others in the , it became the basis for quantitative work in science for a century, until it was replaced by the algebraic methods of Descartes Eudoxus invented the method of exhaustion, which was used in a masterly way by Archimedes . The work of Eudoxus and Archimedes as precursors of calculus was only exceeded in mathematical sophistication and rigour by Newton himself.

37. Eudoxus Systems - Biography Of Eudoxus
biography of eudoxus of cnidus, ancient greek mathematician and astronomer. eudoxus of cnidus (c.408 c.355 BC) was one of the greatest Greek
http://www.eudoxus.com/eudoxus.html
Home Search About us Eudoxus Tools We Use What is Optimization? MP in Action Lecture Notes ... Site Map Eudoxus of Cnidus Eudoxus of Cnidus (c.408 - c.355 BC) was one of the greatest Greek mathematicians. He was also an astronomer, philosopher and legislator. His main contributions to mathematics were:
  • the theory of proportion, which resolved the crisis in Greek mathematics caused by the discovery of irrational numbers; the method of exhaustion, which was a precursor (by 2000 years) of the integral calculus.
He may also have been responsible for the development of the axiomatic method, the foundation of modern mathematics. His work in astronomy has stood the test of time less well. He developed a model of the universe which sought to explain the motions of the sun, the moon and the planets by fixing them to a system of 27 (or according to some authorities, 55) concentric spheres. These rotated on assorted axes at various speeds with the earth at the centre. Even with all this ingenuity he was unable to explain the motions of Venus and Mars nor the variation in brightness of the moon. His scheme was a magnificent attempt to explain observed phenomena, but wrong. More long lasting in its influence was 'the sphere of Eudoxus'. This was an engraved celestial globe which showed the constellations together with their names. Eudoxus did not invent these, but carried them over from an earlier civilisation, most probably the Babylonians of c. 2500 BC. These names have remained in use to this day and are also the names we use as the signs of the Zodiac.

38. Eudoxus Systems - Optimization Solutions For Industry
Eudoxus Systems specialises in mathematical modelling using linear We calledour company Eudoxus after the Greek mathematician eudoxus of cnidus.
http://www.eudoxus.com/us.html
Home Search About us Eudoxus Tools We Use What is Optimization? MP in Action ... Site Map About us Eudoxus Systems Ltd is a group of mathematicians who enjoy helping businesses to make better decisions and run their operations more efficiently. We do this by analysing business problems and building mathematical models of them. We then apply mathematical techniques such as optimization to the models and translate the resulting solutions back into the real world. Often we embed our models within operational systems so that they can provide day-to-day assistance to those businesses. Our main technical strength lies in models involving linear programming and its more complex relative, integer programming . These are techniques which we have been using for the past 20 years to tackle planning and scheduling problems around the world. We also believe in promoting their wider use, hence this web site with its examples of applications and its lecture notes to help you learn how to apply the techniques yourself. The main business areas in which we work are the oil industry and paper and packaging. The oil industry reflects our background: at one time or another all our staff have been employed by BP or its software subsidiary, Scicon. Paper and packaging is a more recent interest and reflects the complexity of the problems facing the industry, where planning and scheduling problems are made harder by the complexities of deckling and trim loss optimization.

39. Read About Eudoxus Of Cnidus At WorldVillage Encyclopedia. Research Eudoxus Of C
eudoxus of cnidus. Everything you wanted to know about eudoxus of cnidus but hadno clue how to find it.. Learn about eudoxus of cnidus here!
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Eudoxus of Cnidus
From Wikipedia, the free encyclopedia.
Another article treats of Eudoxus of Cyzicus
Eudoxus of Cnidus Greek or 408 BC or 347 BC ) was a Greek astronomer mathematician physician , scholar and friend of Plato . Since all his own works are lost, our knowledge of him is obtained from secondary sources, such as Aratus 's poem on astronomy He was a pupil in mathematics of Archytas in Athens . In mathematical astronomy his fame is due to the introduction of the astronomical globe , and his early contributions to understanding the movement of the planets His work on proportions shows tremendous insight into numbers ; it allows rigorous treatment of continuous quantities and not just whole numbers or even rational numbers . When it was revived by Tartaglia and others in the , it became the basis for quantitative work in science for a century, until it was replaced by the algebraic methods of Descartes Eudoxus invented the method of exhaustion , which was used in a masterly way by Archimedes . The work of Eudoxus and Archimedes as precursors of calculus was only exceeded in mathematical sophistication and rigour by Indian Mathematician Bhaskara and later by Newton An algebraic curve (the Kampyle of Eudoxus) is named after him
a x = b (x + y
Also

40. Eudoxus Of Cnidus
eudoxus of cnidus ca. 408 ~ 355 BCE. Eudoxus Mathematics. Choose One of theFollowing, Eudoxus Theory of Propostions. For more about Eudoxus and links
http://math.furman.edu/~jpoole/mth15hp/eudoxus/eudoxus.htm
Eudoxus of Cnidus
ca. 408 ~ 355 BCE
Eudoxus' Mathematics: Choose One of the Following: Eudoxus' Theory of Propostions For more about Eudoxus and links to other sites visit:

St. Andrews University's Eudoxus of Cnidus
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