Tetractys

It is described by Defoe in his History of the Plague.] [Footnote 4: The number Four was called Tetractys by the Pythagoreans, who accounted it the most powerful of numbers, because it was the foundation of them all, and as a square it signified solidity.

The Spectator, Volume 2. Richard Steele 1700

Metempsychosis: (5) the three ultimate terms or bases (3, 4, 5) of which 216 is composed answer to the third, fourth, fifth in the musical scale: (6) that the number 216 is the product of the cubes of 2 and 3, which are the two last terms in the Platonic Tetractys:

The Republic by Plato ; translated by Benjamin Jowett 2006

And if we combine the ratio 4/3 with the number 5, or multiply the ratios of the sides by the hypotenuse, we shall by first squaring and then cubing obtain two expressions, which denote the ratio of the two last pairs of terms in the Platonic Tetractys, the former multiplied by the square, the latter by the cube of the number 10, the sum of the first four digits which constitute the

The Republic by Plato ; translated by Benjamin Jowett 2006

His tract, which has excited much less attention than its merit deserves, (I have not been able to trace a single quotation from it in any author during the last century,) is entitled "Tetractys Anti-astrologica, or a Confutation of Astrology."

Discovery of Witches The Wonderfull Discoverie of Witches in the Countie of Lancaster Thomas Potts

_The Great Symbol_ [94] in hand -- what Pythagoras meant by his lesser and greater Tetractys?

The Builders A Story and Study of Masonry Joseph Fort Newton 1913

Egyptian Tetractys borrowed by Pythagoras and the Hebrews, 88-m.

Morals and Dogma of the Ancient and Accepted Scottish Rite of Freemasonry Albert Pike 1850

Symbol of the 31st Degree is the Tetractys of Pythagoras, 826-m.

Morals and Dogma of the Ancient and Accepted Scottish Rite of Freemasonry Albert Pike 1850

Tetractys, suspended in the East in the 31st Degree, represents

Morals and Dogma of the Ancient and Accepted Scottish Rite of Freemasonry Albert Pike 1850

Tetractys of the Pythagoreans by which they swore their oaths, 633-l.

Morals and Dogma of the Ancient and Accepted Scottish Rite of Freemasonry Albert Pike 1850

Oaths of Pythagoreans sworn on the Tetractys. 633-l.

Morals and Dogma of the Ancient and Accepted Scottish Rite of Freemasonry Albert Pike 1850