In article <1b5fb1b7-3b8b-4696-b46b-4f66da32d277@gy7g2000vbb.googlegroups.com>, WM <mueckenh@rz.fh-augsburg.de> wrote:
> On 24 Okt., 00:05, SPQR <S...@roman.gov> wrote: > > > Each finite diagonal contains as subsets all previous diagonals. > > Each finite line contains as subsets all previous lines.
Lines require element duplication, so one has essentially a new copy of all old elements in each new line.
Each finite diagonal contains as elements all previous elements in their original positions without having to move or duplicate anything.