On Feb 7, 7:12 pm, WM <mueck...@rz.fh-augsburg.de> wrote: > On 7 Feb., 15:59, William Hughes <wpihug...@gmail.com> wrote: > > > > > > > Nope, that does not follow. 6 just says that > > > > > > all FISONS of d are terminating > > > > > > It does not say d is terminating. > > > Induction works only for all natural numbers. > > > Which is all you need. > > No.
As you have noted, it is all you need to show that d is not a line of the list.
>In order to see that d is non-terminating you need something more.
Nope, use induction. For every natural number n there are more elements of d.