In article <4ea397c8$2$fuzhry+tra$mr2ice@news.patriot.net>, Shmuel (Seymour J.) Metz <spamtrap@library.lspace.org.invalid> wrote:
> In <SPQR-85FE95.13164021102011@bignews.usenetmonster.com>, on > 10/21/2011 > at 01:16 PM, SPQR <SPQR@roman.gov> said: > > >Set theory alone says nothing at all about limits in general, but > >only abut limits os sequences of sets. > > Not even that. > > >In particular, the "limit" of an increasing (by inclusion) sequence > >of sets is its union. > > No, "limit" is not a concept of set theory. If you want to talk about > limits, specify a topology.
