Arithmetic and Weaving in Antiquity
A pebble proof of the incommensurability in the square
A pebble proof of the incommensurability in the square
The left one with the even number of threads in the repeat is arithmetically correct, but obviously not in the geometrical sense: the form in the middle is not a square.
On the right we have a nice square in the middle but for this we have used one black stone too much.
On the right we have a nice square in the middle but for this we have used one black stone too much.
