Date: Mar 18, 2013 8:50 AM
Author: William Hughes
Subject: Re: Matheology § 224

On Mar 18, 12:47 pm, WM <mueck...@rz.fh-augsburg.de> wrote:
> On 17 Mrz., 23:05, William Hughes <wpihug...@gmail.com> wrote:
>

> > On Mar 17, 10:49 pm, WM <mueck...@rz.fh-augsburg.de> wrote:
>
> > > On 17 Mrz., 22:39, William Hughes <wpihug...@gmail.com> wrote:
> > > > You say that if a set of lines contains an unfindable
> > > > line it is necessary that there are
> > > > two findable lines.

>
> > > No.
>
> > Oh, so there can be a set of lines that contains an unfindable
> > line but not two findable lines ?!?

>
> When you remove every line as soon as you have found it, then no
> findable line remains. Isn't that obvious?


So you take a set of lines that contains an unfindable line
remove all the findable lines and end up with a set
that contains an unfindable line, but no findable line ?!?