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- Newsgroups: sci.physics
- Path: sparky!uunet!mcsun!sunic!aun.uninett.no!nuug!nntp.uio.no!news
- From: rivero <rivero@cc.unizar.es>
- Subject: Re: Lowneheim-Skolem theorem (was: Continuos vs. discrete models)
- Message-ID: <1992Nov23.160537.4859@ulrik.uio.no>
- X-Xxdate: Mon, 23 Nov 92 17:03:04 GMT
- Sender: news@ulrik.uio.no (Mr News)
- Nntp-Posting-Host: 155.210.147.30
- Organization: fisica teorica UZ
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- References: <1992Nov17.124233.24312@oracorp.com> <370@mtnmath.UUCP> <1992Nov23.014417.14551@galois.mit.edu> <TORKEL.92Nov23095625@isis.sics.se>
- Date: Mon, 23 Nov 1992 16:05:37 GMT
- Lines: 18
-
- In article <368@mtnmath.UUCP> Paul Budnik, paul@mtnmath.UUCP writes:
- >The discussion on L-S has apparently misled you. I believe that the
- >space-time manifold is discrete, i. e. not continuous. There are many
- >ways to discriminate between a continuous and discrete model and this
- >has nothing to do with countability. Perhaps the most dramatic is that
-
- Perhaps we are confusing discrete=coordinable with N, the natural
- numbers set, with discrete=lacking continuity.
-
- Upwards L-S theorem is relevent in the first case, but not in the second.
-
- (Continuity is a interesting concept to play with. By example, the
- non-conmmutatibe objects people is lately playing with can be foliations,
- discrete things or things we are not capable of seeing yet, but they
- can always be seen throught the glass of its continous functions).
-
- Alejandro Rivero
- Zaragoza Univ, Spain
-