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- Newsgroups: alt.philosophy.objectivism
- Path: sparky!uunet!mcsun!sunic!sics.se!torkel
- From: torkel@sics.se (Torkel Franzen)
- Subject: Re: Premises of "objectivism?"
- In-Reply-To: baruch@nynexst.com's message of Thu, 21 Jan 93 14:40:05 GMT
- Message-ID: <TORKEL.93Jan21194341@bast.sics.se>
- Sender: news@sics.se
- Organization: Swedish Institute of Computer Science, Kista
- References: <TORKEL.93Jan20192830@bast.sics.se> <1993Jan21.144005.26462@nynexst.com>
- Date: Thu, 21 Jan 1993 18:43:41 GMT
- Lines: 42
-
- In article <1993Jan21.144005.26462@nynexst.com> baruch@nynexst.com
- (Robert Baruch) writes:
-
- >If you tell me that A is a collection of symbols without meaning (which
- >happen to spell "A is false"), then I will agree to your definition, and
- >state that it is a meaningful definition now that you declare A to be
- >without meaning.
-
- Actually "declaring A to be without meaning" does not enter into it.
- But the essential point is indeed that A is defined as a sentence,
- that is, syntactically, independent of questions of meaning. Suppose
- we define four sentences A, B, C, D by
-
- A = "The sentence A is false"
- B = "The sentence D is false"
- C = "The sentence D is true and false"
- D = "1+1=2
-
- The definitions of A,B,C,D are equally unproblematic. Now if we go on
- to consider which of the sentences A,B,C,D are *true* as sentences in
- ordinary English, interpreting the letters "A", "B", "C", "D" in those
- sentences as referring to the sentences just defined, we find that D
- is true, C is false, B is false, and A paradoxical, i.e. apparently
- true if and only if it is false.
-
- Now a possible way out is to suggest that the sentence A is not in
- fact a meaningful English sentence, unlike B,C,D. Here is where your
- comments are inadequate. For what you say boils down to only this,
- that A is meaningless because it is paradoxical. This is not very illuminating,
- for it does not give us any insight at all into what uses of the predicate
- "x is a true sentence" are meaningful, and how such meaningful uses
- can be understood. In short, philosophers have wanted to do better.
-
- To give you some feeling for this, when people speak about looking for
- "solutions" to the paradox of the Liar, they want some theory or insight
- that applies equally to such variants of the Liar sentence as
-
-
- T = "T is a true sentence"
-
- M = "M is either a false sentence or a meaningless string of characters"
-
-