Triad (symbol)

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Enclosing the greater area with the smallest perimeter, the triangle, derived from the vesica piscis, the Triad was considered by the Pythagoreans as the most beautiful number, as it is the only number to equal the sum of all the terms below it, and the only number whose sum with those below equals their product.^[1]

[edit] See also

• Monad
• Dyad
• Tetrad
• Pentad
• Decad
• Iamblichus of Chalcis

[edit] References

1. ^ Hemenway, Priya – Divine Proportion pp.53-4, Sterling Publishing, ISBN 1-4027-3522-7