Date: Mar 20, 2013 5:11 PM
Author: William Hughes
Subject: Re: Matheology § 224

On Mar 20, 10:01 pm, WM <mueck...@rz.fh-augsburg.de> wrote:

> It cannot contain a necessary line, since, as you said, there is no
> necessary line.
> But you think that it necessarily must contain a not necessary line.


Correct. However, this not necessary line can be any line.

> If so, then at least one line is necessary.

No, knowing that you need one line does not mean you need
one particular line.

<snip>
> > A set of needed lines exists.
>
> Name the frist line.


One set of needed lines that exists is line 2,3,4,6,7,8...
The first line is 2.