Date: Apr 6, 2013 4:51 PM
Author: Virgil
Subject: Re: Matheology � 224

In article 
<f579d155-6b76-4b0f-a34d-7519fe5256d1@j9g2000vbz.googlegroups.com>,
WM <mueckenh@rz.fh-augsburg.de> wrote:

> On 5 Apr., 23:54, Virgil <vir...@ligriv.com> wrote:
>

> > > If not, how do you prove its finiteness?
> >
> > By finding its largest member.

>
> Find the largest line of the list
>
> 1
> 1, 2
> 1, 2, 3
> ...
>
> that cannot be removed without changing the union of the remaining
> lines.
>
> Regards, WM


What makes you think that there is such a line?

As far as I can see removing any one line alone from the union of all
lines has no effect on the union.

So which lines does WM claim satisfy his criterion?
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