Pythagoras

Asked John if he understood Pythagoras' Theorem. He drew / wrote the proof above, which is Chinese and apparently predates Pythagoras by a few hundred years. At the bottom is John's drawing of how to repair a violin bow.

Asked John if he understood Pythagoras’ Theorem. He drew / wrote the proof above, which is Chinese and apparently predates Pythagoras by a few hundred years. At the bottom is John’s drawing of how to repair a violin bow.