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Path: ...!weretis.net!feeder9.news.weretis.net!news.quux.org!eternal-september.org!feeder2.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: olcott <polcott333@gmail.com> Newsgroups: comp.theory Subject: Re: The philosophy of computation reformulates existing ideas on a new basis --- Date: Sat, 2 Nov 2024 06:43:02 -0500 Organization: A noiseless patient Spider Lines: 45 Message-ID: <vg5386$3or7a$6@dont-email.me> References: <vfli1h$fj8s$1@dont-email.me> <vflue8$3nvp8$2@i2pn2.org> <vfmd8m$k2m7$1@dont-email.me> <bcd82d9f8a987d3884220c0df7b8f7204cb9de3e@i2pn2.org> <vfmueh$mqn9$1@dont-email.me> <ff039b922cabbb6d44f90aa71a52d8c2f446b6ab@i2pn2.org> <vfo95k$11qs1$1@dont-email.me> <vfp8c0$3tobi$2@i2pn2.org> <vfpbtq$1837o$2@dont-email.me> <vfq4h9$1fo1n$1@dont-email.me> <vfqpi3$1iaob$4@dont-email.me> <vfqvjs$3v4c4$15@i2pn2.org> <vfr091$1k8im$1@dont-email.me> <vft4or$44tc$5@i2pn2.org> <vft9r1$25aio$9@dont-email.me> <vg2ban$37555$1@dont-email.me> <vg2gvo$37lpn$6@dont-email.me> <vg4q97$3np95$1@dont-email.me> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Sat, 02 Nov 2024 12:43:02 +0100 (CET) Injection-Info: dont-email.me; posting-host="f24840444c7ed29233b33314df4ac42c"; logging-data="3960042"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX183s4MnN4KFi1Yj/53tOD+T" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:nAunuoIj+t+F4+4VW2eynUYDcZs= X-Antivirus: Norton (VPS 241102-0, 11/1/2024), Outbound message Content-Language: en-US X-Antivirus-Status: Clean In-Reply-To: <vg4q97$3np95$1@dont-email.me> Bytes: 3508 On 11/2/2024 4:09 AM, Mikko wrote: > On 2024-11-01 12:19:03 +0000, olcott said: > >> On 11/1/2024 5:42 AM, Mikko wrote: >>> On 2024-10-30 12:46:25 +0000, olcott said: >>> >>>> ZFC only resolved Russell's Paradox because it tossed out >>>> the incoherent foundation of https://en.wikipedia.org/wiki/ >>>> Naive_set_theory >>> >>> Actually Zermelo did it. The F and C are simply minor improvements on >>> other aspects of the theory. >> >> Thus establishing the precedent that replacing the foundational >> basis of a problem is a valid way to resolve that problem. > > No, that does not follow. In particular, Russell's paradox is not a > problem, just an element of the proof that the naive set theory is > inconsistent. The problem then is to construct a consistent set > theory. Zermelo proposed one set theory and ZF and ZFC are two other > proposals. > My view is that the same kind of self-reference issue that showed naive set theory was inconsistent also shows that the current notion of a formal system is inconsistent. When we handle this self-reference differently then this issue is resolved. When a formal system is ONLY a sequence of truth preserving operations applied to a consistent set of expressions that have been stipulated to be true then expressions that would otherwise show incompleteness are rejected because they have no path to true or false. > The foundation of all these theories is classical logic. > The key error of classical logic is that it diverged from the model of the syllogism where there is always a path to true or false or the syllogism is ill-formed. -- Copyright 2024 Olcott "Talent hits a target no one else can hit; Genius hits a target no one else can see." Arthur Schopenhauer