378 page attempt to proove 1+1=2
<a href="http://scienceblogs.com/goodmath/2006/06/extreme_math_1_1_2.php" rel="nofollow">http://scienceblogs.com/goodmath/2006/06/extreme_math_1_1_2....</a>
"after 378 pages, &#60;Bertrand Russell and Alfred North Whitehead&#62; were able to talk about how you could prove that 1+1=2. But they couldn't actually do it yet, because they hadn't yet managed to define addition."