Astro*Dictionary
by Michael Erlewine

2 articles for
"Tetrabiblos"

The main work of Ptolemy.

Consists of astrological, astronomical and mathematical writings.

See also:
♦ Ptolemaic Astrology

Literally four books. The oldest record of the astrological system of the ancients which has survived. It dates from about 132-16O A.D. In it the author, Claudius Ptolemy, the great Egyptian mathematician, says that it was compiled from "ancient" sources. v. Ptolemaic Astrology.

See also:
♦ Ptolemaic Astrology