14 Feb
2016
14 Feb
'16
1:32 p.m.
On 2016-02-13 15:11, Gareth McCaughan wrote:
On 13/02/2016 18:38, Bill Gosper wrote:
gosper.org/Perigal.gif --rwg
Cute picture, but is proving that it actually proves Pythagoras any easier than just proving Pythagoras[?] Well, no. It's just a sketch of a pure-dissection proof that is a bit harder than the skewy ones sketched by gosper.org/Pythanim.gif, but more visually convincing. --rwg