home *** CD-ROM | disk | FTP | other *** search
- Xref: sparky sci.physics:14462 sci.math:11254
- Newsgroups: sci.physics,sci.math
- Path: sparky!uunet!mcsun!sunic!sics.se!torkel
- From: torkel@sics.se (Torkel Franzen)
- Subject: Re: Report on Philosophies of Physicists
- In-Reply-To: pratt@Sunburn.Stanford.EDU's message of Thu, 10 Sep 1992 20:50:22 GMT
- Message-ID: <TORKEL.92Sep11100055@isis.sics.se>
- Sender: news@sics.se
- Organization: Swedish Institute of Computer Science, Kista
- References: <22218@galaxy.ucr.edu> <1992Sep10.034627.3965@CSD-NewsHost.Stanford.EDU>
- <1992Sep10.132003.15495@sei.cmu.edu>
- <1992Sep10.205022.15408@CSD-NewsHost.Stanford.EDU>
- Date: Fri, 11 Sep 1992 09:00:55 GMT
- Lines: 24
-
- In article <1992Sep10.205022.15408@CSD-NewsHost.Stanford.EDU> pratt@Sunburn.
- Stanford.EDU (Vaughan R. Pratt) writes:
-
- >Cantor's theory the way physicists would, but rather the result of the
- >mathematical community finding that Cantor's theory provided an
- >attractive and workable foundation for mathematics.
-
- This is not historically accurate. Set theory caught on chiefly
- because of its role in the creation and development of such subjects
- as point set topology (which Poincare considered a "disease") and
- measure theory. And, of course, the simple but striking applications
- of the basic ideas such as the uncountability of the set of
- transcendental numbers. The idea of set theory as a foundation for
- mathematics came much later.
-
- >You can take either it or its negation as an
- >axiom, either one when added to the axioms of ZFC yields a consistent
- >foundations for mathematics.
-
- What do you mean, "yields a consistent foundation for mathematics"?
- What you say applies equally to the statement "ZFC is consistent". Are
- you saying that adding either this statement or its negation to
- ZFC yields a consistent foundation for mathematics, and if so, what
- is this supposed to mean?
-