Date: Mar 20, 2013 4:01 PM
Author: William Hughes
Subject: Re: Matheology § 224
On Mar 20, 8:57 pm, WM <mueck...@rz.fh-augsburg.de> wrote:
> On 20 Mrz., 20:40, William Hughes <wpihug...@gmail.com> wrote:
> > On Mar 20, 4:24 pm, WM <mueck...@rz.fh-augsburg.de> wrote:
> > > I show that every line, that is not the last line, is not needed.
> > Nope. You show that it is not necessary for its contents.
> > This is not the same as not needed.
> I show that every line, that is not the last line, is not needed to
> remain in the list in order to have its contents in the list.
Nope. It may be needed for something else whose contents are
needed (in this case the tail of the list) to exist.