On Fri, Mar 21, 2008 at 1:02 PM, Antonio Carlini <arcarlini at iee.org> wrote:
Tony Duell wrote:
Assuming there are at least 367 PDP enthusiasts
in the world, then the
pigeonhole princiiple proves that at least 2 will share a birthday.
Only if there's a rule requiring 366 such enthusiasts to have their
birthdays on different days :-)
No... you could have all 367 people with the same birthday and the
pigeonhole principle still holds true. Given N days and M people where
M > N, you obviously have at least M-N days with intersections of
birthdays.
John
--
Ph'nglui mglw'nafh Cthulhu R'lyeh wgah'nagl fhtagn