peras (περας)

(Language: Greek)

Short Description: limit, boundary

Long Description: limit, boundary; the fundamental cosmological principle of the Pythagoreans; the Unlimited ( apeiron) is indefinite and in need of Limit which in the table of opposits is related to Odd, One, Right, Male, Rest, Straight, Light, Good, Square; the principles of Limit and the Unlimited (discussed in Plato’s Philebus) are the Pythagorean monad and dyad that constitute the order of henads in Proclus and play a central role in the constitution of reality; limit and unlimited serve as two principles ( archai) of mathematical reality (ousia).

Sources: The Golden Chain: An Anthology of Platonic and Pythagorean Philosophy, by Dr. Algis Uždavinys