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- Path: sparky!uunet!zaphod.mps.ohio-state.edu!malgudi.oar.net!caen!destroyer!ubc-cs!van-bc!mdavcr!faubert
- From: faubert@mdavcr.mda.ca (David M. Faubert)
- Newsgroups: comp.misc
- Subject: Re: What is Occam's Razor
- Message-ID: <2951@mdavcr.mda.ca>
- Date: 20 Aug 92 16:37:28 GMT
- References: <6291@ucru2.ucr.edu> <16s1ibINN1uj@early-bird.think.com>
- Organization: MacDonald Dettwiler, 13800 Commerce Parkway, Richmond, BC, Canada V6V 2J3
- Lines: 26
-
- In article <16s1ibINN1uj@early-bird.think.com> barmar@think.com (Barry Margolin) writes:
- >
- >Occam's Razor is the rule that the simplest theory that accurately explains
- >all the facts is the one that should be accepted. For instance, when
- >explaining the apparent motion of the planets in the night sky, there were
- >two competing theories: Earth-centered and Sun-centered. The latter was
- >accepted because its elliptical orbits are much simpler than the former's
- >complex arrangement of epicycles.
- >--
- >Barry Margolin
- >System Manager, Thinking Machines Corp.
- >
- Not to mention that the latter theory actually worked. The sun-centered system
- was accepted beacause the Ptolemaic system of epicycles never could quite
- explain retrograde motion. Copernicus realized that retrograde motion was
- natural to a sun-centered system, and once Kepler added elliptical orbits there
- was no competetion between the two world views.
-
- Later,
-
- Dave
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