Book detail: Tetrabiblos is presented as a focused source page for quotations connected with this book, collection, transcript, or source record.
Tetrabiblos, also known as the Quadripartitum, is a foundational work on astrology from the second century AD, traditionally ascribed to the Greco-Roman scholar Claudius Ptolemy. The treatise systematically presents the theoretical and practical aspects of Hellenistic astrology, including the influence of celestial bodies on earthly events and human character. It is divided into four books, covering topics such as the nature of planets, zodiac signs, and methods for casting horoscopes. The text has been influential in both Western and Islamic astrological traditions, often studied alongside Ptolemy's astronomical works.
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