Tetrabiblos - Hardcover

Ptolemy, Claudius

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Hardcover

ISBN 10: 0912504315 ISBN 13: 9780912504315

Publisher: Symbols & Signs, 1974

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OF the means of prediction through astronomy, O Syrus, two ara the most important and valid. One, which is first both in order and in effectiveness, is that whereby we apprehend the aspects of the movements of sun, moon, and stars in relation to each other and to the earth, as they occur from time to time; the second is that in which by means of the natural character of these aspects themselves we investigate the changes which they bring about in that which they surround. The first of these, which has its own science, desirable in itself even though it does not attain the result given by its combination with the second, has been expounded to you as best we could in its own treatise by the method of demonstration. We shall now give an account of the second and less self-sufficient method in a properly philosophical way

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About the Author:

Claudius Ptolemy (c. AD 90 c. 168) was a Roman citizen of Egypt who wrote in Greek. He was a mathematician, astronomer, geographer and astrologer. He lived in Egypt under Roman rule, and is believed to have been born in the town of Ptolemais Hermiou in the Thebaid. He died in Alexandria around AD 168.

Ptolemy was the author of several scientific treatises. The first is the astronomical treatise now known as the Almagest. 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 as the Tetrabiblos in which he adapted horoscopic astrology to the Aristotelian natural philosophy of his day.

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