The pentad was a Pythagorean
Pythagoreanism was the system of esoteric and metaphysical beliefs held by Pythagoras and his followers, the Pythagoreans, who were considerably influenced by mathematics. Pythagoreanism originated in the 5th century BCE and greatly influenced Platonism...

 term for the quantity of five.

See also

  • Related greek numerical terms
    • Monad (Greek philosophy)
      Monad (Greek philosophy)
      Monad , according to the Pythagoreans, was a term for Divinity or the first being, or the totality of all beings, Monad being the source or the One meaning without division....

    • Dyad (Greek philosophy)
    • Triad (Greek philosophy)
    • Tetrad (Greek philosophy)
    • Decad (Greek philosophy)

  • Other
    • Iamblichus of Chalcis
      Iamblichus of Chalcis
      Iamblichus, also known as Iamblichus Chalcidensis, was an Assyrian Neoplatonist philosopher who determined the direction taken by later Neoplatonic philosophy...

    • Pentagram
      A pentagram is the shape of a five-pointed star drawn with five straight strokes...

    • Vesica piscis
      Vesica piscis
      The vesica piscis is a shape that is the intersection of two circles with the same radius, intersecting in such a way that the center of each circle lies on the circumference of the other. The name literally means the "bladder of a fish" in Latin...


  • Hemenway, Priya. Divine Proportion: Phi In Art, Nature, and Science. Sterling Publishing Company, Inc., 2005. ISBN 1-4027-3522-7
  • O'Meara, Dominic J. Pythagoras Revived: Mathematics and Philosophy in Late Antiquity. Clarendon Press, 1990. ISBN 0-198-23913-0
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