Pythagorean letter
Pythagorean Pyth`a*go"re*an, a. [L. Pythagoreus, Gr. ?.] Of or pertaining to Pythagoras (a Greek philosopher, born about 582 b. c.), or his philosophy. [1913 Webster]

The central thought of the Pythagorean philosophy is the idea of number, the recognition of the numerical and mathematical relations of things. --Encyc. Brit. [1913 Webster]

{Pythagorean proposition} (Geom.), the theorem that the square described upon the hypothenuse of a plane right-angled triangle is equal to the sum of the squares described upon the other two sides.

{Pythagorean system} (Astron.), the commonly received system of astronomy, first taught by Pythagoras, and afterward revived by Copernicus, whence it is also called the {Copernican system}.

{Pythagorean letter}. See {Y.} [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Pythagorean letter — or Samian letter noun The Greek letter Υ which was, for Pythagoras, a symbol of the parting of the ways for vice and virtue • • • Main Entry: ↑Pythagorean …   Useful english dictionary

  • Pythagorean — Pyth a*go re*an, a. [L. Pythagoreus, Gr. ?.] Of or pertaining to Pythagoras (a Greek philosopher, born about 582 b. c.), or his philosophy. [1913 Webster] The central thought of the Pythagorean philosophy is the idea of number, the recognition of …   The Collaborative International Dictionary of English

  • Pythagorean proposition — Pythagorean Pyth a*go re*an, a. [L. Pythagoreus, Gr. ?.] Of or pertaining to Pythagoras (a Greek philosopher, born about 582 b. c.), or his philosophy. [1913 Webster] The central thought of the Pythagorean philosophy is the idea of number, the… …   The Collaborative International Dictionary of English

  • Pythagorean system — Pythagorean Pyth a*go re*an, a. [L. Pythagoreus, Gr. ?.] Of or pertaining to Pythagoras (a Greek philosopher, born about 582 b. c.), or his philosophy. [1913 Webster] The central thought of the Pythagorean philosophy is the idea of number, the… …   The Collaborative International Dictionary of English

  • Pythagorean Theorem —    Pythagoras, the famous Greek philosopher and mathematician of the sixth century B.C., was born in Samos, off the coast of Asia Minor. As a mature man he immigrated to Croton, in southern Italy. Here he founded a brotherhood of religious… …   Dictionary of eponyms

  • Samian letter — Pythagorean letter or Samian letter noun The Greek letter Υ which was, for Pythagoras, a symbol of the parting of the ways for vice and virtue • • • Main Entry: ↑Pythagorean Samian letter noun The Pythagorean letter • • • Main Entry: ↑Samian …   Useful english dictionary

  • Twelfth Letter (Plato) — The Twelfth Letter of Plato , also known as Epistle XII or Letter XII , is an epistle that tradition has ascribed to Plato, though it is almost certainly a literary forgery. Of all the Epistles , it is the only one that is followed by an explicit …   Wikipedia

  • Copernican system — Pythagorean Pyth a*go re*an, a. [L. Pythagoreus, Gr. ?.] Of or pertaining to Pythagoras (a Greek philosopher, born about 582 b. c.), or his philosophy. [1913 Webster] The central thought of the Pythagorean philosophy is the idea of number, the… …   The Collaborative International Dictionary of English

  • Y — (w[imac]). Y, the twenty fifth letter of the English alphabet, at the beginning of a word or syllable, except when a prefix (see Y ), is usually a fricative vocal consonant; as a prefix, and usually in the middle or at the end of a syllable, it… …   The Collaborative International Dictionary of English

  • mathematics — /math euh mat iks/, n. 1. (used with a sing. v.) the systematic treatment of magnitude, relationships between figures and forms, and relations between quantities expressed symbolically. 2. (used with a sing. or pl. v.) mathematical procedures,… …   Universalium

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