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Path: ...!weretis.net!feeder9.news.weretis.net!news.nk.ca!rocksolid2!i2pn2.org!.POSTED!not-for-mail From: Richard Damon <richard@damon-family.org> Newsgroups: comp.theory Subject: Re: The Foundation of Linguistic truth is stipulated relations between finite strings Date: Fri, 13 Sep 2024 13:06:13 -0400 Organization: i2pn2 (i2pn.org) Message-ID: <b4ff0f8f9eb0bd6f42b0aac34c995d40fa4c4b73@i2pn2.org> References: <vb8ku7$3m85g$2@dont-email.me> <vc1910$rkci$1@dont-email.me> <vc1ioa$tcfb$3@dont-email.me> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Fri, 13 Sep 2024 17:06:13 -0000 (UTC) Injection-Info: i2pn2.org; logging-data="1928020"; mail-complaints-to="usenet@i2pn2.org"; posting-account="diqKR1lalukngNWEqoq9/uFtbkm5U+w3w6FQ0yesrXg"; User-Agent: Mozilla Thunderbird X-Spam-Checker-Version: SpamAssassin 4.0.0 In-Reply-To: <vc1ioa$tcfb$3@dont-email.me> Content-Language: en-US Bytes: 3117 Lines: 48 On 9/13/24 10:38 AM, olcott wrote: > On 9/13/2024 6:52 AM, Mikko wrote: >> On 2024-09-04 03:41:58 +0000, olcott said: >> >>> The Foundation of Linguistic truth is stipulated relations >>> between finite strings. >>> >>> The only way that we know that "cats" <are> "animals" >>> (in English) is the this is stipulated to be true. >>> >>> *This is related to* >>> Truth-conditional semantics is an approach to semantics of >>> natural language that sees meaning (or at least the meaning >>> of assertions) as being the same as, or reducible to, their >>> truth conditions. This approach to semantics is principally >>> associated with Donald Davidson, and attempts to carry out >>> for the semantics of natural language what Tarski's semantic >>> theory of truth achieves for the semantics of logic. >>> https://en.wikipedia.org/wiki/Truth-conditional_semantics >>> >>> *Yet equally applies to formal languages* >> >> No, it does not. Formal languages are designed for many different >> purposes. Whether they have any semantics and the nature of the >> semantics of those that have is determined by the purpose of the >> language. >> > > Formal languages are essentially nothing more than > relations between finite strings. > > Thus, given T, an elementary theorem is an elementary > statement which is true. > https://www.liarparadox.org/Haskell_Curry_45.pdf > > Some of these relations between finite strings are > elementary theorems thus are stipulated to be true. > > Thus True(L,x) merely means there is a sequence of truth > preserving operations from x in L to elementary theorems > of L. > Right, but the claim that such a predicate exist proves that it can't do its job correctly, is Tarski showed that, at least for a sufficiently powerful system, that we CAN construct in its language, using just the axioms of the system, and the assumption that True(L, x) is an existing Truth Predicate, the statement: "X (in L) is defined to be ~True(L,x)" and then that such an X cause True to be unable to meet its requirements.