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- Path: sparky!uunet!utcsri!eecg.toronto.edu!leemike
- Newsgroups: sci.logic
- From: leemike@eecg.toronto.edu (Michael Lee)
- Subject: Re: Liar paradox
- Message-ID: <1992Dec16.191006.16896@jarvis.csri.toronto.edu>
- Organization: CSRI, University of Toronto
- References: <1476@eouk13.eoe.co.uk> <GUTTMAN.92Dec16164336@circe.mitre.org>
- Date: 17 Dec 92 00:10:06 GMT
- Lines: 35
-
- In article <GUTTMAN.92Dec16164336@circe.mitre.org> guttman@circe.mitre.org (Joshua D. Guttman) writes:
- >In article <1476@eouk13.eoe.co.uk> pwestlak@eoe.co.uk (Peter Westlake) writes:
- >
- > Please forgive me if this is a naive question (or even completely stupid :-)
- >
- > The way I have heard the original Cretan liar paradox expressed is that
- > Epiminedes, a Cretan, said "All Cretans are liars". The reasoning goes that
- > as Epiminedes is known to be from Crete, he therefore claims to be a liar,
- > and therefore claims not to be, which is a paradox. But it seems to me
- > (in my ignorance) that this statement permits a consistent interpretation,
- > namely that SOME Cretans are liars, and that Epiminedes is one of them.
- > By supposing the existence of other Cretans, we avoid a paradox.
- >
- > So a) I have the original statement wrong
- > or b) it never was a paradox really
- > or c) I have missed something obvious and everything I say is false.
- > Break it to me gently, especially if I have misspelled "Epi.*".
- >
- >
- >I think you misspelled Epimenides, but you're right about it's not being
- >paradoxical, as stated. I think that his statement was enough to make people
- >realize, though, that something very similar was going to be really paradoxical
- >("This very sentence is false").
- >
- >Kripke, who's always entertaining, says that the statement is quoted by St.
- >Paul in one of the Epistles, who writes that Epimenides, even one of their own,
- >states that all Cretans are liars. St Paul adds, "This testimony is true."
- >Paul seems to have missed the logical subtlety here.
- >
- > Joshua Guttman
-
- There is a collection of essays by Quine called `Paradoxes and Other
- Essays' which deals with the above paradox (nonparadox), with a quote
- by St. Paul followed by a blurb by Quine. The first essay deals with
- antimonies in clear expository manner.
-