Tetrad (Greek philosophy)

Wikipedia, the free encyclopedia - Cite This Source

The tetrad or number four is the first number formed by the addition and multiplication of equals. To the Pythagoreans, this symbol and number represented justice as it is the first number that is divisible every way into equal parts.

See also

• Monad
• Dyad
• Triad
• Pentad
• Decad
• Iamblichus of Chalcis
• Tetractys

References

Wikipedia, the free encyclopedia © 2001-2006 Wikipedia contributors (Disclaimer)
This article is licensed under the GNU Free Documentation License.
Last updated on Friday March 07, 2008 at 03:14:21 PST (GMT -0800)
View this article at Wikipedia.org - Edit this article at Wikipedia.org - Donate to the Wikimedia Foundation