Date: Mar 21, 2013 6:36 AM Author: YBM Subject: Re: Matheology § 224 Le 21.03.2013 07:54, WM a écrit :
> Every not necessary line can be removed. Why do you think there should
> remain unnecessary lines? And if they are needed, which it the first
> unnecessary line that must remain?
Which is the leg which is necessary in order for a dog to have more
than two legs?
Name it, the very one you cannot cut.