home *** CD-ROM | disk | FTP | other *** search
- Path: sparky!uunet!haven.umd.edu!darwin.sura.net!jvnc.net!netnews.upenn.edu!sagi.wistar.upenn.edu
- From: weemba@sagi.wistar.upenn.edu (Matthew P Wiener)
- Newsgroups: sci.math
- Subject: Re: Assorted questions and problems
- Message-ID: <96929@netnews.upenn.edu>
- Date: 10 Nov 92 14:21:16 GMT
- References: <BxDJ8v.DCw@world.std.com> <1992Nov8.181631.13298@Princeton.EDU> <96778@netnews.upenn.edu> <1992Nov9.232300.18490@CSD-NewsHost.Stanford.EDU>
- Sender: news@netnews.upenn.edu
- Reply-To: weemba@sagi.wistar.upenn.edu (Matthew P Wiener)
- Organization: The Wistar Institute of Anatomy and Biology
- Lines: 13
- Nntp-Posting-Host: sagi.wistar.upenn.edu
- In-reply-to: pratt@Sunburn.Stanford.EDU (Vaughan R. Pratt)
-
- In article <1992Nov9.232300.18490@CSD-NewsHost.Stanford.EDU>, pratt@Sunburn (Vaughan R. Pratt) writes:
- >The back-and-forth argument shows that there are exactly four
- >*countable* dense chains, depending on whether they have a top and
- >independently a bottom. [...]
-
- Yeah, yeah, enough corrections everybody. I now think I was thinking
- of the universal Boolean algebra result--I know for certain I once
- looked at somebody else's paper of Shelah's proof that CH is needed.
-
- Anyway, to whomever first raised the topic--look for Rosenstein
- LINEAR ORDERINGS. It's in the Academic Press green series.
- --
- -Matthew P Wiener (weemba@sagi.wistar.upenn.edu)
-