In article <4c8d7871-f386-48b2-8877-bd20b638c1d2@d37g2000yqm.googlegroups.com>, WM <mueckenh@rz.fh-augsburg.de> wrote:
> > Infinity is a mathematical construct. Before you can even being to > > discuss it, you have to have a set of axioms. > > What was the set that Cantor used?
Cantor was a pioneer, and pioneering work often needs some modification as the area under consideration becomes more familiar.
So now we have, for example, FOL+ZFC, in which WM always loses his way.