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- From: ramsay@unixg.ubc.ca (Keith Ramsay)
- Newsgroups: sci.math
- Subject: Re: What's a knot? (inspired by "What's a manifold?")
- Date: 7 Nov 1992 02:11:58 GMT
- Organization: University of British Columbia, Vancouver, B.C., Canada
- Lines: 16
- Distribution: sci
- Message-ID: <1df8leINNolm@iskut.ucs.ubc.ca>
- References: <COLUMBUS.92Nov6105242@strident.think.com>
- NNTP-Posting-Host: unixg.ubc.ca
-
- In article <COLUMBUS.92Nov6105242@strident.think.com>
- columbus@strident.think.com (Michael Weiss) writes:
- |I would summarize almost all the discussion in favor of the atlas
- |definition of a manifold in one phrase:
- |
- | proofs drive definitions
- |
- |in other words, old, "intuitive" definitions are replaced by new "abstract"
- |definitions when the new definitions turn out to be more convenient for the
- |logical development of the subject.
-
- This is also one of the main points of _Proofs_and_Refutations_ by
- Imre Lakatos. His example is the concept of "polyhedron".
-
- Keith Ramsay "Tender victuals"
- ramsay@unixg.ubc.ca
-