home *** CD-ROM | disk | FTP | other *** search
- Newsgroups: sci.logic
- Path: sparky!uunet!pipex!warwick!pavo.csi.cam.ac.uk!gjm11
- From: gjm11@cus.cam.ac.uk (G.J. McCaughan)
- Subject: Re: Set of all sets
- Message-ID: <1992Sep7.225943.23043@infodev.cam.ac.uk>
- Sender: news@infodev.cam.ac.uk (USENET news)
- Nntp-Posting-Host: apus.cus.cam.ac.uk
- Organization: U of Cambridge, England
- References: <1992Sep4.233526.24088@infodev.cam.ac.uk> <1992Sep5.022356.18971@cs.sfu.ca> <1992Sep7.062552.21596@guinness.idbsu.edu>
- Date: Mon, 7 Sep 1992 22:59:43 GMT
- Lines: 13
-
- In article <1992Sep7.062552.21596@guinness.idbsu.edu> holmes@opal.idbsu.edu (Randall Holmes) writes:
-
- > A brief remark: I do know that the consistency of ZFC is itself open
- > to doubt. I agree that one can equally well start working in NF with
- > faith in one's heart as we already can in ZFC. But to start working
- > in NF, we must give up the Axiom of Choice; this is the real problem
- > from my standpoint. I have other reasons for doubting the naturalness
- > of NF (but not of NFU) which are not ready for publication.
-
- Hmm. I don't know much about what is and isn't consistent with NF.
- Is Dependent Choice consistent with NF? That would satisfy many of us,
- perhaps including some who don't like the Axiom of Choice in all its
- --
-