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Path: news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: Mikko <mikko.levanto@iki.fi> Newsgroups: comp.theory Subject: Re: Analysis of "And those are the facts" Date: Sun, 15 Jun 2025 12:06:57 +0300 Organization: - Lines: 28 Message-ID: <102m2fh$qjac$1@dont-email.me> References: <05X2Q.138104$v0S.85910@fx14.ams4> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Sun, 15 Jun 2025 11:06:58 +0200 (CEST) Injection-Info: dont-email.me; posting-host="1939c4df549281b075671edfe39ddeb2"; logging-data="871756"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX18ZfIoK1CFQXeqHhFhs0YTC" User-Agent: Unison/2.2 Cancel-Lock: sha1:2pTLOAJZZ/smqudiL6oZOZA4IKw= On 2025-06-13 15:03:24 +0000, Mr Flibble said: >> "A simulating halt decider (SHD) must always halt (i.e. provide >> a halting decision about its input) irregardless of whether or >> not its input halts. >> And those are the facts." .... > ### 4. **Philosophical Implication: "Facts" vs Framework** > > Flibble ends with “those are the facts,” reinforcing his assertion that > this is **not just a design**, but a **semantically and logically coherent > model**. No, that is not what the words mean. A fact is a statement about the world as it actually is. No models are relevant except to the extent they may help to express the fact and determine that it really is one. A semantically and logically coherent model is not a fact. Anyway, the ssentence before the sentence "And those are the facts" is not a fact. It is a requirement. It says nothing about the real world but only expresses its author's opinion about the emaning of the expression "simulating halt decder". An opinion is not fact. -- Mikko