Cover of: Ptolemy

Ptolemy"s first commentator

  • 61 Pages
  • 4.87 MB
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by
American Philosophical Society , Philadelphia
Ptolemy, -- 2nd cent, Astronomy, Greek -- Early works to
StatementAlexander Jones.
GenreEarly works to 1800.
SeriesTransactions of the American Philosophical Society -- v. 80, pt. 7
The Physical Object
Pagination61 p. :
ID Numbers
Open LibraryOL15335675M
ISBN 100871698072
LC Control Number90055268

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Ptolemy's First Commentator Volume 80; Volume 87 of American Philosophical Society: Transactions of the American Philosophical Society Vol Part 7 of Transactions Series. COVID Resources. Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus.

Ptolemy Average rating ratings 28 Ptolemys first commentator book shelved 3, times. The second and third books often cave under the weight of carrying the plot forward and tying up all the loose threads pulled in the first book.

The author falls prey to this a bit in 'The Golem's Eye', but his swash-buckling finale 'Ptolemy's Gate' brings everything to a highly satisfying close/5().

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Ptolemy has been referred to as "a pro-astrological authority of the highest magnitude". His astrological treatise, a work in four parts, is known by the Greek term Tetrabiblos, or the Latin equivalent Quadripartitum: "Four Books".Ptolemy's own title is unknown, but may have been the term found in some Greek manuscripts: Apotelesmatika, roughly meaning "Astrological Outcomes", "Effects" or Born: c.

ADEgypt, Roman Empire. Ptolemy's Gate (Bartimaeus, #3), Jonathan Stroud, C Ptolemy's Gate is a children's novel of alternate history, fantasy and magic. It is the third book in the Bartimaeus trilogy, written by /5.

Ptolemy's Gate is a novel of alternate history, fantasy and magic. It is the third book in the Bartimaeus trilogy, written by British author Jonathan Stroud. It was released in the United Kingdom in Septemberand in the United States in December of the same : Jonathan Stroud.

Ptolemy describes these physical models in detail in book II (most of book I is devoted to listing the numerical parameters). He argues that instead of assigning a whole sphere to each planet, it is sufficient to suppose that the mechanism is contained in a segment of a sphere consisting of a drum-shaped band extending either side of its equator.

Ptolemy has a prominent place in the history of mathematics primarily because of the mathematical methods he applied to astronomical problems.

His contributions to trigonometry are especially important. For instance, Ptolemy’s table of the lengths of chords in a circle is the earliest surviving table of a trigonometric function. He also. Claudius Ptolemaeus, known as Ptolemy, was a Greco-Roman citizen in Alexandria, Egypt, who lived between roughly and A.D.

A polymath of enormous repute with Ptolemys first commentator book across the sciences, Ptolemy is identified varyingly as an astronomer, a mathematician, a geographer and. Claudius Ptolemy wrote the Almagest, the work that defined astronomy for over 1, years. The Almagest included a catalogue of over a thousand stars, recording their positions, constellations, and relative brightnesses; and a mathematical model predicting the movements of the planets.

The predictive power of Ptolemy’s planetary model was unsurpassed for almost 1, years. Etymology. Ptolemy is the English form of the Ancient Greek name Πτολεμαῖος (Ptolemaios), a derivative of πτόλεμος, an Epic form of πόλεμος 'war'. A nephew of Antigonus I Monophthalmus was called Polemaeus, the normal form of the adjective.

Ptolemaios is first attested in Homer's Iliad and is the name of an Achaean warrior, son of Piraeus, father of Eurymedon. Ptolemy's Commentary On The Gospel Of John Prologue, along with extensive materials about the Gnostic traditions of John. This site includes the entire Hammadi Library, as well as a large collection of other primary Gnostic scriptures and documents.

ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in % recyclable packaging with free standard shipping on US orders over $ Ptolemy was a Greek astronomer who lived between A.D.

He put together his own ideas with those of Aristotle and Hipparchus and formed the geocentric theory. This theory states that the Earth was at the center of the universe and all other heavenly bodies circled it, a model which held for years until the time of Copernicus.

Ptolemy is also famous for his work in geography. Demetrius Phalereus, the first head of the ancient Alexandria Library and one who was also instrumental in creating the Mouseion, advised Ptolemy I to "collect together books on kingship and the exercise of power, and to read them".It seems likely that Ptolemy I at least attempted to follow this advice, judging from his success in governing the territories under his authority.

The final volume of Geography was Ptolemy's atlas, featuring maps that utilized his grid system and maps that placed north at the top of the map, a cartographic convention that Ptolemy created. Unfortunately, his gazetteer and maps contained a great number of errors due to the simple fact that Ptolemy was forced to rely upon the best estimates of merchant travelers (who were incapable of Author: Matt Rosenberg.

By what number the second sine is less than the first sine, and by the quotient obtained by dividing the sum of the preceding sines by the first sine, by the sum of these quantities the following sines are less than the first sine.

These are clearly not sines but rather File Size: 2MB. PTOLEMY'S GEOGRAPHIA - Books I & II. This translation of Books I & II of CLAUDIUS PTOLEMYS 'GEOGRAPHIA' and its accompanying analytical commentary was written in April and is the copyright of Louis Francis, who hereby asserts his rights to be identified as the author and translator of.

Claudius Ptolemy was a Greco-Egyptian mathematician, astronomer, astrologer, and writer. He lived in Alexandria in the Roman province of Egypt during the 2nd century and authored several scientific treatises, three of which were of considerable significance to the development of Byzantine, Islamic and European science in later centuries.

An aid in the study of the Ptolemaic (Macedonian-based Greek), Roman Imperial (Greco-Roman), and Byzantine rulers of Egypt based in Alexandria, this portal site is intended for all classicists and students of Hellenistic history. The House of Ptolemy web site concentrates on the Ptolemies and their world, from - 30 BCE.

However, since the histories of Greek rule and subsequent Roman rule. Ptolemy V Epiphanes, (Greek: Illustrious) (born c. —died bc), Macedonian king of Egypt from bc under whose rule Coele Syria and most of Egypt’s other foreign possessions were lost.

After Sosibius, Ptolemy IV’s corrupt minister, had murdered Ptolemy V’s mother, the five-year-old king was officially elevated to the throne; Sosibius became his guardian. Ptolemy wasn't the first astronomer to think about the earth as the center of the universe, but he did make the idea famous by writing about it and his ideas in a book called Almagest.

One of Ptolemy's three treatises is his Geographia. This too is a compilation of what was known about the world's geography in the Roman Empire during his time.

He relied somewhat on the work of an earlier geographer, Marinos of Tyre, and on gazetteers of the Roman and ancient Persian Empire.

Geographia Book 6 by Claudius Ptolemy ( CE). Ptolemy BirthplaceEgypt Occupation mathematician, geographer, astronomer, astrologer Ptolemy (Claudius Ptolemaeus), fl. 2d cent.

A.D., celebrated Greco-Egyptian mathematician, astronomer, and geographer. He made his observations in Alexandria and was the last great astronomer of ancient times.

Although he discovered the irregularity in the moon's motion. Ptolemy, a Greek astronomer and geographer, lived in around 85 to A.D.

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He was born in Egypt, and he died there too. Egypt was the center of learning in those times, and it was there that Ptolemy got his education. His name Ptolemy is, in fact, an Egyptian name, while Claudius is a Roman [ ]. Rick Riordan, dubbed 'storyteller of the gods' by Publishers Weekly, is the author of five New York Times number-one bestselling book series with millions of copies sold throughout the world: Percy Jackson, the Heroes of Olympus and the Trials of Apollo, based on Greek and Roman mythology; the Kane Chronicles, based on Egyptian mythology; and Magnus Chase, based on Norse mythology/5().

Immediately download the Ptolemy summary, chapter-by-chapter analysis, book notes, essays, quotes, character descriptions, lesson plans, and more - everything you need for studying or teaching Ptolemy.

Book digitized by Google from the library of Harvard University and uploaded to the Internet Archive by user tpb. The first of his observations that can be dated exactly occurred on Ma His last recorded one was February 2, Some experts think his life spanned the years 87 – However long he lived, Ptolemy did much to advance science and appears to have been a very accomplished observer of the stars and planets.

(?–?). Ptolemy was an influential astronomer, geographer, and mathematician of the ancient world. His theories about the universe dominated scientific thought until the Middle Ages.Ptolemy achieved his reputation through his astronomical accomplishment.

Working from his observatory he catalogued over stars ( of which were newly discovered), created the first viable theory of the refraction of light, discussed the dimensions of the planets with considerable precision and made many other general advances.The information about The Last Days of Ptolemy Grey shown above was first featured in "The BookBrowse Review" - BookBrowse's online-magazine that keeps our members abreast of notable and high-profile books publishing in the coming weeks.

In most cases, the reviews are necessarily limited to those that were available to us ahead of publication.