15 Feb
2016
15 Feb
'16
3:03 p.m.
On 15/02/2016 19:43, James Propp wrote:
I've heard this proof attributed to Einstein. (But then again, you could argue that it was inevitable that this proof would eventually be attributed to Einstein, whether or not he was the first to come up with it, or indeed, whether or not he ever came up with it at all!)
Along with its corollary, E = m(a^2+b^2). -- g