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Path: news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: "Fred. Zwarts" <F.Zwarts@HetNet.nl> Newsgroups: comp.theory Subject: Re: Simulation vs. Execution in the Halting Problem --- Mike EVIDENCE Date: Wed, 18 Jun 2025 12:18:13 +0200 Organization: A noiseless patient Spider Lines: 272 Message-ID: <102u3p4$31q0f$3@dont-email.me> References: <yU0_P.1529838$4AM6.776697@fx17.ams4> <101lodi$3pbm3$1@dont-email.me> <101mqoh$2ji$1@dont-email.me> <101n4t1$3oc4$1@dont-email.me> <e35c1e94a1e55c9622cfedf88d401148e851f2a1.camel@gmail.com> <101nk9j$7qau$7@dont-email.me> <101os21$mg8a$1@dont-email.me> <101pqge$ta6v$5@dont-email.me> <101uaha$25sfi$1@dont-email.me> <101v4bc$2c1iv$2@dont-email.me> <1020sak$2u1is$1@dont-email.me> <1021g55$3327l$1@dont-email.me> <10236jr$3lqbg$1@dont-email.me> <10237ki$3lo0a$1@dont-email.me> <1028lsi$13r5p$1@dont-email.me> <1029nr5$1ah2f$11@dont-email.me> <102bgc0$1soug$1@dont-email.me> <102c3bn$20jl4$8@dont-email.me> <102e21p$2ipl5$1@dont-email.me> <102er6u$2ohps$4@dont-email.me> <102h3gg$3e0g0$1@dont-email.me> <102hgi3$3gqbm$4@dont-email.me> <102jm6c$5f8r$1@dont-email.me> <102ju9i$793t$2@dont-email.me> <102m5ia$r98h$1@dont-email.me> <102mpib$uef9$15@dont-email.me> <102ov42$1jli0$1@dont-email.me> <102pqpi$1r1h4$1@dont-email.me> <102rdtq$29lrc$1@dont-email.me> <102rsm6$2doc9$3@dont-email.me> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Wed, 18 Jun 2025 12:18:13 +0200 (CEST) Injection-Info: dont-email.me; posting-host="cbe59beacd6fd352315816fb5d824c89"; logging-data="3205135"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX18humTS6M5WG1ko1PMUSkvD" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:Hcg5IzgKo3Co5LPMo5HzDxaLxQg= Content-Language: nl, en-GB In-Reply-To: <102rsm6$2doc9$3@dont-email.me> Op 17.jun.2025 om 16:04 schreef olcott: > On 6/17/2025 4:52 AM, Fred. Zwarts wrote: >> Op 16.jun.2025 om 21:20 schreef olcott: >>> On 6/16/2025 6:28 AM, Mikko wrote: >>>> On 2025-06-15 15:40:59 +0000, olcott said: >>>> >>>>> On 6/15/2025 4:59 AM, Mikko wrote: >>>>>> On 2025-06-14 13:43:13 +0000, olcott said: >>>>>> >>>>>>> On 6/14/2025 6:25 AM, Mikko wrote: >>>>>>>> On 2025-06-13 15:36:34 +0000, olcott said: >>>>>>>> >>>>>>>>> On 6/13/2025 6:53 AM, Mikko wrote: >>>>>>>>>> On 2025-06-12 15:19:58 +0000, olcott said: >>>>>>>>>> >>>>>>>>>>> On 6/12/2025 3:10 AM, Mikko wrote: >>>>>>>>>>>> On 2025-06-11 14:20:39 +0000, olcott said: >>>>>>>>>>>> >>>>>>>>>>>>> On 6/11/2025 3:56 AM, Mikko wrote: >>>>>>>>>>>>>> On 2025-06-10 16:51:49 +0000, olcott said: >>>>>>>>>>>>>> >>>>>>>>>>>>>>> On 6/10/2025 2:12 AM, Mikko wrote: >>>>>>>>>>>>>>>> On 2025-06-08 05:38:26 +0000, olcott said: >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> On 6/8/2025 12:20 AM, Mikko wrote: >>>>>>>>>>>>>>>>>> On 2025-06-07 13:51:33 +0000, olcott said: >>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> On 6/7/2025 3:13 AM, Mikko wrote: >>>>>>>>>>>>>>>>>>>> On 2025-06-06 16:17:48 +0000, olcott said: >>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>> On 6/6/2025 3:57 AM, Mikko wrote: >>>>>>>>>>>>>>>>>>>>>> On 2025-06-04 15:59:10 +0000, olcott said: >>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>> On 6/4/2025 2:19 AM, Mikko wrote: >>>>>>>>>>>>>>>>>>>>>>>> On 2025-06-03 20:00:51 +0000, olcott said: >>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>> On 6/3/2025 12:59 PM, wij wrote: >>>>>>>>>>>>>>>>>>>>>>>>>> On Tue, 2025-06-03 at 16:38 +0100, Mike Terry >>>>>>>>>>>>>>>>>>>>>>>>>> wrote: >>>>>>>>>>>>>>>>>>>>>>>>>>> On 03/06/2025 13:45, dbush wrote: >>>>>>>>>>>>>>>>>>>>>>>>>>>> On 6/2/2025 10:58 PM, Mike Terry wrote: >>>>>>>>>>>>>>>>>>>>>>>>>>>>> Even if presented with /direct >>>>>>>>>>>>>>>>>>>>>>>>>>>>> observations/ contradicting his position, >>>>>>>>>>>>>>>>>>>>>>>>>>>>> PO can (will) just >>>>>>>>>>>>>>>>>>>>>>>>>>>>> invent >>>>>>>>>>>>>>>>>>>>>>>>>>>>> new magical thinking that only he is smart >>>>>>>>>>>>>>>>>>>>>>>>>>>>> enough to understand, in order to somehow >>>>>>>>>>>>>>>>>>>>>>>>>>>>> justify his >>>>>>>>>>>>>>>>>>>>>>>>>>>>> busted intuitions. >>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>> My favorite is that the directly executed >>>>>>>>>>>>>>>>>>>>>>>>>>>> D(D) doesn't halt even though it looks like >>>>>>>>>>>>>>>>>>>>>>>>>>>> it does: >>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>> On 1/24/24 19:18, olcott wrote: >>>>>>>>>>>>>>>>>>>>>>>>>>>> > The directly executed D(D) reaches a >>>>>>>>>>>>>>>>>>>>>>>>>>>> final state and exits normally. >>>>>>>>>>>>>>>>>>>>>>>>>>>> > BECAUSE ANOTHER ASPECT OF THE SAME >>>>>>>>>>>>>>>>>>>>>>>>>>>> COMPUTATION HAS BEEN ABORTED, >>>>>>>>>>>>>>>>>>>>>>>>>>>> > Thus meeting the correct non-halting >>>>>>>>>>>>>>>>>>>>>>>>>>>> criteria if any step of >>>>>>>>>>>>>>>>>>>>>>>>>>>> > a computation must be aborted to prevent >>>>>>>>>>>>>>>>>>>>>>>>>>>> its infinite execution >>>>>>>>>>>>>>>>>>>>>>>>>>>> > then this computation DOES NOT HALT (even >>>>>>>>>>>>>>>>>>>>>>>>>>>> if it looks like it does). >>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>> Right - magical thinking. >>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>> PO simply cannot clearly think through what's >>>>>>>>>>>>>>>>>>>>>>>>>>> going on, due to the multiple levels >>>>>>>>>>>>>>>>>>>>>>>>>>> involved. In his >>>>>>>>>>>>>>>>>>>>>>>>>>> head they all become a mush of confustions, >>>>>>>>>>>>>>>>>>>>>>>>>>> but the mystery here is why PO does not / >>>>>>>>>>>>>>>>>>>>>>>>>>> realise/ that >>>>>>>>>>>>>>>>>>>>>>>>>>> he can't think his way through it? >>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>> When I try something that's beyond me, I soon >>>>>>>>>>>>>>>>>>>>>>>>>>> realise I'm not up to it. Somehow PO tries, >>>>>>>>>>>>>>>>>>>>>>>>>>> gets into >>>>>>>>>>>>>>>>>>>>>>>>>>> a total muddle, and concludes "My >>>>>>>>>>>>>>>>>>>>>>>>>>> understanding of this goes beyond that of >>>>>>>>>>>>>>>>>>>>>>>>>>> everybody else, due to >>>>>>>>>>>>>>>>>>>>>>>>>>> my powers of unrivalved concentration >>>>>>>>>>>>>>>>>>>>>>>>>>> equalled by almost nobody on the planet, and >>>>>>>>>>>>>>>>>>>>>>>>>>> my ability to >>>>>>>>>>>>>>>>>>>>>>>>>>> eliminate extraneous complexity". How did PO >>>>>>>>>>>>>>>>>>>>>>>>>>> ever start down this path of delusions? Not >>>>>>>>>>>>>>>>>>>>>>>>>>> that that >>>>>>>>>>>>>>>>>>>>>>>>>>> matters one iota... :) >>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>> Mike. >>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>> People seem to keep addressing the logic of >>>>>>>>>>>>>>>>>>>>>>>>>> the implement of POOH, but it does not matter how >>>>>>>>>>>>>>>>>>>>>>>>>> H or D are implemented, because: >>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>> 1. POOH is not about the Halting Problem (no >>>>>>>>>>>>>>>>>>>>>>>>>> logical connection) >>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>> Likewise ZFC was not about what is now called >>>>>>>>>>>>>>>>>>>>>>>>> naive set theory. >>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>> To a large extent it is. Both are intended to >>>>>>>>>>>>>>>>>>>>>>>> describe those sets that >>>>>>>>>>>>>>>>>>>>>>>> were tought to be usefult to think about. But >>>>>>>>>>>>>>>>>>>>>>>> the naive set theory failed >>>>>>>>>>>>>>>>>>>>>>>> because it is inconsistent. However, ZF excludes >>>>>>>>>>>>>>>>>>>>>>>> some sets that some >>>>>>>>>>>>>>>>>>>>>>>> people want to consider, e.g., the universal >>>>>>>>>>>>>>>>>>>>>>>> set, Quine's atom. There is >>>>>>>>>>>>>>>>>>>>>>>> no agreement whether do not satisfy the axiom of >>>>>>>>>>>>>>>>>>>>>>>> choice and its various >>>>>>>>>>>>>>>>>>>>>>>> consequences should be included or excluded, so >>>>>>>>>>>>>>>>>>>>>>>> both ZF and ZFC are used. >>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>> Quine's atom is nonsense. >>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>> No, it is not. It is a set that one can assume to >>>>>>>>>>>>>>>>>>>>>> exist or not to exist. >>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>> https://en.wikipedia.org/wiki/Urelement#Quine_atoms >>>>>>>>>>>>>>>>>>>>> It is the same as every person that is their own >>>>>>>>>>>>>>>>>>>>> father. >>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>> No, it is not the same. Being of ones own father is >>>>>>>>>>>>>>>>>>>> impossible because >>>>>>>>>>>>>>>>>>>> of the say the material world works. Imaginary >>>>>>>>>>>>>>>>>>>> things like sets can be >>>>>>>>>>>>>>>>>>>> imagined to work wichever way one wants to imagine, >>>>>>>>>>>>>>>>>>>> though a consitent >>>>>>>>>>>>>>>>>>>> imagination is more useful. >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> If that was true then one could imagine the >>>>>>>>>>>>>>>>>>> coherent set of properties of a square circle. >>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>> One can, much like you can imagine the coherent set of >>>>>>>>>>>>>>>>>> properties of >>>>>>>>>>>>>>>>>> an impossible decider. >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> *CAN'T POSSIBLY REACH A FINAL STATE DOES ESTABLISH NOT >>>>>>>>>>>>>>>>> HALTING* >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> Depends on what exactly your "can" and "possibly" mean. >>>>>>>>>>>>>>>> Anyway, DDD does >>>>>>>>>>>>>>>> reach its final state, so its wrong to say that it can't. >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> Why do people always have to be damned liars and change >>>>>>>>>>>>>>> my words and then dishonestly apply their rebuttal to >>>>>>>>>>>>>>> these changed words. >>>>>>>>>>>>>> >>>>>>>>>>>>>> If you don't tell why you do so why would anyone else? >>>>>>>>>>>>> >>>>>>>>>>>>> I USE CUT-AND-PASTE MAKING SURE THAT >>>>>>>>>>>>> MY WORDS ARE PERFECTLY UNCHANGED. >>>>>>>>>>>> >>>>>>>>>>>> Putting them to a web page would achieve the same with >>>>>>>>>>>> lesser effort. >>>>>>>>>>> >>>>>>>>>>> A web-page is not a permanent archive. >>>>>>>>>> >>>>>>>>>> Nothing is permanent. But you can (and to some extent do) >>>>>>>>>> maintan a web ========== REMAINDER OF ARTICLE TRUNCATED ==========