What word is both the name of Euphronius of the Athenian dem Sunium's son and is also one of Plato's diaglogues concerning the nature of knowledge?
Theaetetus (mathematician): Theaetetus of Athens ( ; Greek: Θεαίτητος ; c. 417 – 368 BC), possibly the son of Euphronius of the Athenian deme Sunium, was a Greek mathematician. Theaetetus (dialogue): The Theaetetus ( ; Greek: Θεαίτητος ) is one of Plato's dialogues concerning the nature of knowledge, written "circa" 369 BC.
Theaetetus