(In reply to re(3): Part I - notation
This really is not an elementary problem, Richard.
Paul Monsky's solution1, in his own words, "is the only known approach, and it uses valuation theory, and the theorem of the extension of valuations--a mathematician will probably encounter these for the first time as a graduate student."
1American Mathematical Monthly 77:2(February 1970, 161-164)
Posted by Mindrod
on 2006-02-04 20:14:26