> Let P(n) be > 0.111... is not the nth line > of > > 0.1000... > 0.11000... > 0.111000... > ... > > Clearly for every natural number n > P(n) is true. > > This means there is no natural > number m for which P(m) is true. > > It is not simply that we cannot find m, > we know that m does not exist.
Futhermore WM accepts, for example, that for every natural number n, 2 * n is even.
But when asked how it is possible to know such a thing, he falls strangely silent.