Mathematician:Theaetetus of Athens

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Mathematician

Greek mathematician whose principal contribution was the material on irrational lengths, included in Book $\text X$ of Euclid's The Elements.

Also proved that there are precisely five regular convex polyhedra.


All we know about him was what Plato (who rated him highly) wrote about him.


Nationality

Greek


History

  • Born: about 417 BCE in Athens, Greece
  • Died: about 369 BCE in Athens, Greece


Theorems and Definitions


Sources