> > And i may claim that Pi is a rational, because i know i can write it as a continued fraction.
Writeable as a continued fraction is not the definition of rational.
> The real funny thing is that this was known to mathematicians 11 BC. So your not that sofisticated.
He can probably spell though.
-- Nam Nguyen in sci.logic in the thread 'Q on incompleteness proof' on 16/07/2013 at 02:16: "there can be such a group where informally it's impossible to know the truth value of the abelian expression Axy[x + y = y + x]".