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- Xref: sparky sci.philosophy.tech:4633 sci.logic:2488
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- From: PL436000@brownvm.brown.edu (Jamie)
- Newsgroups: sci.philosophy.tech,sci.logic
- Subject: Re: No Reification Here
- Date: Tue, 29 Dec 1992 12:08:49 EST
- Organization: Brown University - Providence, Rhode Island USA
- Lines: 29
- Message-ID: <1hq0mhINNpda@cat.cis.Brown.EDU>
- References: <1hntpkINNnp8@cat.cis.Brown.EDU> <1992Dec28.203018.18876@husc3.harvard.edu> <1hpqgkINNmi6@cat.cis.Brown.EDU> <1992Dec29.114844.18880@husc3.harvard.edu>
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-
- Oh. I get it.
-
- But stratification works fine in any case (well, I don't mean it has no
- costs, but it does work).
- Thus, if you don't reify the predicate, you need to stratify. And if you
- do reify the predicate, you need to stratify. Or perhaps there is some
- other strategy. But so far, it looks as though all the strategies work
- equally for reified and unreified predicates.
-
- I'm not sure I agree, by the way, that a predicate is meaningful if and
- only if it expresses a property.
-
- I can think of a couple of types of example. For one, one might agree
- that a predicate is meaningful even though one thinks it should be
- paraphrased out in a good, logical language. I suppose "yummy" might be
- like that.
-
- For another, I suspect that there are some predicates that are
- indexicals. "Occurred yesterday" might be such a predicate. (I believe
- that it is.) Of course, I would agree that on any occasion of use,
- "occurred yesterday" DOES express a property. So perhaps that isn't a
- counterexample at all. But it expresses different properties on
- different occasions.
-
- Hm. Those are the only kinds of examples I can think of.
- (And it's possible that the "expressivist" predicates, like
- "yummy," are best thought of as indexicals, too....)
-
- Jamie
-