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eBook formatHardcover, (torrent)En
PublisherWilliam Benton
File size3.8 Mb
Pages count1085
Book rating4.2 (5 votes)
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Claudius Ptolemy (c. 90 – c. 168 CE) was a Greek-Roman citizen of Egypt who wrote in Greek. He was a mathematician, astronomer, geographer, astrologer, and poet of a single epigram in the Greek Anthology. He lived in Egypt under Roman rule, and is believed to have been born in the town of Ptolemais Hermiou in the Thebaid. This theory, proposed by Theodore Meliteniotes, could be correct, but it is late (ca. 1360) and unsupported. There is no reason to suppose that he ever lived anywhere else than Alexandria, where he died around AD 168.

Ptolemy was the author of several scientific treatises, at least three of which were of continuing importance to later Islamic and European science. The first is the astronomical treatise now known as the Almagest (in Greek, originally Μαθηματικὴ Σύνταξις, "Mathematical Treatise"). The second is the Geography, which is a thorough discussion of the geographic knowledge of the Greco-Roman world. The third is the astrological treatise known sometimes in Greek as the Apotelesmatika (Ἀποτελεσματικά), more commonly in Greek as the Tetrabiblos (Τετράβιβλος "Four books"), and in Latin as the Quadripartitum (or four books) in which he attempted to adapt horoscopic astrology to the Aristotelian natural philosophy of his day.

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download Ptolemy The Almagest | On the Revolutions of the Heavenly Spheres | Epitome of Copernican Astronomy (Book IV-V) | The Harmonies of the World (Book V) (Book IV-V) | The Harmonies of the World (Book V) (Great Books of the Western World, #16) PDF

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