Theaetetus
(c. 414– c. 369 BC)
Theaetetus was a friend of Plato's and a mathematician, who gave his name to one of the greatest of Plato's Dialogues . He is supposed to have contributed to the theory of irrationals of Euclid, Bk. x, and to the solid geometry of Bk. xiii.

Philosophy dictionary. . 2011.

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  • Theaetetus — could mean:* Theaetetus (mathematician) (c. 417 B.C. – 369 B.C.), a Greek geometer * Theaetetus (dialogue), a dialogue by Plato, named after the geometer * Theaetetus (crater), a lunar impact crater …   Wikipedia

  • THEAETETUS — Atheniensis ex iis, quorum alios pedibus, alios manibus, auribusque amputatis inustisque barbararum literarum notis, in longum sui ludibrium, reservaverant et in Perside locaverant. Curt. l. 5. c. 5. Item, Mathematicus, Olymp. 86. Scripsit… …   Hofmann J. Lexicon universale

  • Theaetetus — ▪ Greek mathematician born c. 417 BC, Athens [Greece] died 369, Athens       Athenian mathematician who had a significant influence on the development of Greek geometry.       Theaetetus was a disciple of Socrates and studied with Theodorus of… …   Universalium

  • Theaetetus (mathematician) — Theaetetus (ca. 417 B.C. ndash; 369 B.C.) of Athens, son of Euphronius, of the Athenian deme Sunium, was a classical Greek mathematician. His principal contributions were on irrational lengths, which was included in Book X of Euclid s Elements ,… …   Wikipedia

  • Theaetetus (dialogue) — The Theætetus (Greek: Θεαίτητος) is one of Plato s dialogues concerning the nature of knowledge. The framing of the dialogue begins when Euclides tells his friend Terpsion that he wrote a book many years ago based on what Socrates told him of a… …   Wikipedia

  • Theaetetus (crater) — lunar crater data latitude=37.0 N or S=N longitude=6.0 E or W=E diameter=25 km depth=2.8 km colong=354 eponym=TheaetetusTheaetetus is a lunar impact crater that is located to the southeast of Cassini crater near the eastern edge of Mare Imbrium.… …   Wikipedia

  • Theaetetus (cráter lunar) — Theaetetus Cráter lunar …   Wikipedia Español

  • ТЕЭТЕТ —    • Theaetētus,          Θεαίτητος,        1. сын Евфория Сунийского, последователь Сократа, известный по названному его именем диалогу Платона и по «Софисту»; раньше он был учеником Феодора в Кирене. Он был очень щедр, хотя недобросовестные… …   Реальный словарь классических древностей

  • Greek arithmetic, geometry and harmonics: Thales to Plato — Ian Mueller INTRODUCTION: PROCLUS’ HISTORY OF GEOMETRY In a famous passage in Book VII of the Republic starting at Socrates proposes to inquire about the studies (mathēmata) needed to train the young people who will become leaders of the ideal… …   History of philosophy

  • Plato: metaphysics and epistemology — Robert Heinaman METAPHYSICS The Theory of Forms Generality is the problematic feature of the world that led to the development of Plato’s Theory of Forms and the epistemological views associated with it.1 This pervasive fact of generality appears …   History of philosophy

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