20 Nov
2011
20 Nov
'11
9:23 p.m.
See also http://mathoverflow.net/questions/79442/number-of-distinct-values-taken-by-x... On Sun, Nov 20, 2011 at 11:17 PM, Warren Smith <warren.wds@gmail.com> wrote:
(Was "A nice sequence" but that title sucked)
Perhaps (A^B)^C = (A^C)^B is the only identity that one needs to worry about generically.