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Path: ...!weretis.net!feeder8.news.weretis.net!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Mikko <mikko.levanto@iki.fi> Newsgroups: sci.logic Subject: Re: Concise rebuttal of incompleteness and undecidability Date: Mon, 3 Jun 2024 10:23:14 +0300 Organization: - Lines: 26 Message-ID: <v3jr12$3q1r6$1@dont-email.me> References: <v3iajp$3ed35$1@dont-email.me> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Mon, 03 Jun 2024 09:23:15 +0200 (CEST) Injection-Info: dont-email.me; posting-host="0e670f0fad830183dc51c091d8d9edbb"; logging-data="3999590"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+QyoIvFGFIXnOoNmN2h1jh" User-Agent: Unison/2.2 Cancel-Lock: sha1:GTTs+PV+kdmo25j+7+ZAhyb3hxA= Bytes: 1988 On 2024-06-02 17:36:57 +0000, olcott said: > Because of Quine's paper: https://www.ditext.com/quine/quine.html most > philosophers have been confused into believing that there is no such > thing as expressions of language that are {true on the basis of their > meaning}. > > The unique contribution I have made to this is that the semantic meaning > of these expressions is always specified by other expressions. When we > can derive x or ~x by applying truth preserving operations to a set of > semantic meanings then this perfectly aligns with Wittgenstein's concise > critique of Gödel: https://www.liarparadox.org/Wittgenstein.pdf > > Unless P or ~P has been proved in Russell's system P has no truth value > and thus cannot be a proposition according to the law of the excluded > middle. > > As Richard keeps pointing out: > Sometimes this "proof" may require an infinite sequence of steps. The above is not a reuttal of anything. It does not even claim to rebut anything, and does not show any counter proof of anyting. -- Mikko