## John Dee, Monas Hieroglyphica: Monas and Tetractys

### Commentary on Monas and Tetractys

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John Dee (1527 to 1608) was a mathematician, astronomer, astrologer, occultist, navigator, and consultant to Queen Elizabeth I. He was also an early popularizer of applied mathematics, and was instrumental in planning the British Empire.

ambrose_mnemopolousPost authorThe above illustration from John Dee’s Monas Hieroglyphica depicts the Pythagorean Quaternary, or, tetractys. The geometry, proportions, and method of permutation are embedded in the Monas Hieroglyphica.

ambrose_mnemopolousPost authorThe text accompanying the figure reads: Of the Pythagorean quaternary, 24 possible permutations. The Pythagorean sum is 10. A complete addition of the parts yields 30.

Ambrose MnemopolousPost authorThe Pythagorean sequence above can be found, in veiled form, in many creation stories, including the Chaldaean Oracles and the Upanishads.