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date: 09 December 2022

Theodorus(2)locked

, of Cyrene, geometer, fl. late 5th cent. BCE

Theodorus(2)locked

, of Cyrene, geometer, fl. late 5th cent. BCE
  • Wilbur R. Knorr

Extract

Theodorus (2) (fl. late 5th cent. bce) of *Cyrene, geometer, portrayed in *Plato(1)'s Theaetetus as a former disciple of *Protagoras, an associate of *Socrates, and a teacher of *Theaetetus. Plato describes him as showing the irrationality of √3, √5, etc. up to √17 (Tht.

Subjects

  • Science, Technology, and Medicine

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