Thales’ theorem

546 BCE Thales’ theorem

The book of science

Tom Sharp

Thales of Miletus geometry

Thales’ theorem

Dante’s theorem

Thales’ ideal

Like the Pythagorean theorem, Thales’ theorem was known by Indian and Babylonian mathematicians before Thales learned of it.

Dante’s theorem is a paraphrase of Paradiso Canto 13, lines 94-102.

See also in The book of science:

Readings on wikipedia: