On 9 Mai, 06:51, Roland Franzius <roland.franz...@uos.de> wrote: > Am 08.05.2013 22:43, schrieb WM: > > > > > The function f(x) = x has for every sequence x_n --> x_0 the sequence > > of diference quotients > > (x_n - x_0)/(x_n - x_0) = 1. The limit is 1 in all cases, and not 0. > > Except perhaps for all sequences n -> x_n being constant, x_n = x0, for > almost all n.
And except perhaps for the empty sequence. That should be mentioned for all empty brains who try to read sci.logic. > > Its this kind of nonsense logics
that unskilled contributors apply in order to prove x0 - x_0 is 0.