Theaetetus · Atlas

in the texts

TheaetetusClassical · Greek

Young Athenian mathematician and interlocutor, praised by Theodorus, who is questioned by Socrates about the nature of knowledge and proposes that knowledge is perception.

THEAET.

theaetetus ¶

THEAET.

theaetetus ¶

THEAET.

theaetetus ¶

SophistClassical · Greek

Young mathematician, companion of the young Socrates, chosen as the Stranger's interlocutor for the dialectical search.

Theaet.

sophist ¶

Theaet.

sophist ¶

Theaet.

sophist ¶

ElementsHellenistic · Greek

Athenian mathematician credited with discovering/systematizing the octahedron and icosahedron and contributing to the theory of irrationals.

This no doubt means that Theaetetus was the first to write a complete and systematic treatise on all the regular solids;

chapter 13 ¶

, and his work on the regular solids was soon followed by another, that of Aristaeus, an elder contemporary of Euclid, who also wrote an important book on Solid Loci, i.

chapter 13 ¶

StatesmanClassical · Greek

Young mathematician mentioned as the previous day's interlocutor of Socrates and a student of geometry, replaced in this conversation by young Socrates.

As you and Theaetetus ought by rights to divide them, since you are interested in geometry.

statesman ¶

Really I am greatly indebted to you, Theodorus, for my acquaintance with Theaetetus and with the Stranger, too.

statesman ¶

Now I myself had an argument with Theaetetus yesterday and have been listening to his answers just now, but I do not know Socrates in either way and must examine him, too.

statesman ¶