Tetrabiblos

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Claudius Ptolemy (c.100 - c.178 AD), of Alexandria, was one of the greatest philosopher/scientists of the ancient world. Among his books are the Almagest, Geography, Optics, Planispherium and Tetrabiblos. The earliest surviving version of Tetrabiblos is the paraphrase attributed to Proclus the Philosopher (412-485). Tetrabiblos (literally, "four books") was long thought to be a...(展開全部) Claudius Ptolemy (c.100 - c.178 AD), of Alexandria, was one of the greatest philosopher/scientists of the ancient world. Among his books are the Almagest, Geography, Optics, Planispherium and Tetrabiblos. The earliest surviving version of Tetrabiblos is the paraphrase attributed to Proclus the Philosopher (412-485). Tetrabiblos (literally, "four books") was long thought to be a complete survey of Greek astrology. Recent research suggests this not to be the case, but Ptolemy's work remains the foundation of western astrology. In particular, his persuasive use of the Tropical Zodiac, rather than the Sidereal, changed western astrology forever. Book 1 of Tetrabiblos defines various technical terms and supplies other information needed by the astrologer. Chapters 9, 10 and 11 detail the influence of fixed stars in various constellations. Book 2 is the astrology of nations and their rulers. Books 3 and 4 are devoted to Natal Astrology. Book 3, chapter 2, explains Ptolemy's method of rectifying the Ascendant. Chapter 10 gives a method for determining life expectancy. Book 4 deals with wealth, rank, employment, marriage, children, death, etc. Published editions of Tetrabiblos traditionally include extracts from the Almagest (a compendium of Greek astronomy), as well as "Ptolemy's Centiloquy," a list of aphorisms, the authorship of which is disputed. Many of the 100 deal with horary astrology. They have been studied by astrologers for centuries. Translations: Gardner (1911) lists four English translations of Tetrabiblos. The first was by John Walley, 1701. The second was W

Tetrabiblos

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