Then Socrates draws the diagonal in the four feet square and now the boy can see the solution: there are 4 triangles of 2 feet, which are the 8 feet that were looked for and the diagonal is the required length.

	Arithmetic and Weaving in Antiquity A pebble proof of the incommensurability in the square

	Then Socrates draws the diagonal in the four feet square and now the boy can see the solution: there are 4 triangles of 2 feet, which are the 8 feet that were looked for and the diagonal is the required length.