On 20 Mrz., 22:11, William Hughes <wpihug...@gmail.com> wrote: > 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.
You cannot know that you need one line, because every chice can be disproved. > > <snip> > > > > A set of needed lines exists. > > > Name the first line. > > One set of needed lines that exists is line 2,3,4,6,7,8... > The first line is 2.
This set is not a set of needed lines, because 2, 3, and all lines you mentioned are not needed lines.
Would you call the set 1/2, 1/3, 1/4, 1/5, ... a set of natural numbers?
Do you get a faint idea meanwhile, what actual infinity implies? You have to state abviously false claims.