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Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: olcott <polcott333@gmail.com> Newsgroups: comp.theory Subject: Re: DDD specifies recursive emulation to HHH and halting to HHH1 Date: Fri, 28 Mar 2025 22:45:58 -0500 Organization: A noiseless patient Spider Lines: 174 Message-ID: <vs7qdm$8dae$2@dont-email.me> References: <vrfuob$256og$1@dont-email.me> <c93030bbd81fb313c76c256c6e54beb48b07dfdd@i2pn2.org> <vs1vuv$2ot1m$1@dont-email.me> <d2f86fad6c5823e3c098f30d331576c52263b398@i2pn2.org> <vs2fgn$354gv$5@dont-email.me> <vs2u3v$3mcjm$2@dont-email.me> <vs434l$mmcb$3@dont-email.me> <vs45a3$resr$1@dont-email.me> <vs4ne1$1c1ja$1@dont-email.me> <vs4ovc$1e09p$1@dont-email.me> <vs4pg8$1c1ja$6@dont-email.me> <vs4pi9$1e09p$2@dont-email.me> <vs4qpp$1c1ja$7@dont-email.me> <vs4r2u$1e09p$3@dont-email.me> <vs4snt$1c1ja$9@dont-email.me> <e11c6f4f29bb0c77dbd10f8e20bca766712977d0@i2pn2.org> <vs50kt$1c1ja$15@dont-email.me> <vs5r0j$2f37e$1@dont-email.me> <vs6srk$39556$12@dont-email.me> <vs6t10$2p360$6@dont-email.me> <vs70tc$39556$21@dont-email.me> <vs71bq$2p360$10@dont-email.me> <vs76m9$3m3q0$1@dont-email.me> <vs77th$2p360$11@dont-email.me> <vs78cu$3ms9k$1@dont-email.me> <c2b91231b9052e07b6705250938fb9095e711327@i2pn2.org> <vs7kvf$3eal$2@dont-email.me> <aeb75b411e9f77c974585181c671a47d03b22078@i2pn2.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Sat, 29 Mar 2025 04:45:59 +0100 (CET) Injection-Info: dont-email.me; posting-host="4a11f9a4e0695b58a3441997222f2fae"; logging-data="275790"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/9rYyuLMulxMfPc7jgHe8z" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:QxWeAgy9uFhv3z1mtScTueDvNss= X-Antivirus-Status: Clean In-Reply-To: <aeb75b411e9f77c974585181c671a47d03b22078@i2pn2.org> X-Antivirus: Norton (VPS 250328-4, 3/28/2025), Outbound message Content-Language: en-US Bytes: 9496 On 3/28/2025 9:36 PM, Richard Damon wrote: > On 3/28/25 10:13 PM, olcott wrote: >> On 3/28/2025 8:08 PM, Richard Damon wrote: >>> On 3/28/25 6:38 PM, olcott wrote: >>>> On 3/28/2025 5:30 PM, dbush wrote: >>>>> On 3/28/2025 6:09 PM, olcott wrote: >>>>>> On 3/28/2025 3:38 PM, dbush wrote: >>>>>>> On 3/28/2025 4:30 PM, olcott wrote: >>>>>>>> On 3/28/2025 2:24 PM, dbush wrote: >>>>>>>>> On 3/28/2025 3:21 PM, olcott wrote: >>>>>>>>>> On 3/28/2025 4:43 AM, Fred. Zwarts wrote: >>>>>>>>>>> Op 28.mrt.2025 om 03:13 schreef olcott: >>>>>>>>>>>> On 3/27/2025 9:04 PM, Richard Damon wrote: >>>>>>>>>>>>> On 3/27/25 9:07 PM, olcott wrote: >>>>>>>>>>>>>> On 3/27/2025 7:38 PM, dbush wrote: >>>>>>>>>>>>>>> On 3/27/2025 8:34 PM, olcott wrote: >>>>>>>>>>>>>>>> On 3/27/2025 7:12 PM, dbush wrote: >>>>>>>>>>>>>>>>> On 3/27/2025 8:11 PM, olcott wrote: >>>>>>>>>>>>>>>>>> On 3/27/2025 7:02 PM, dbush wrote: >>>>>>>>>>>>>>>>>>> On 3/27/2025 7:36 PM, olcott wrote: >>>>>>>>>>>>>>>>>>>> On 3/27/2025 1:27 PM, dbush wrote: >>>>>>>>>>>>>>>>>>>>> On 3/27/2025 1:50 PM, olcott wrote: >>>>>>>>>>>>>>>>>>>>>> On 3/27/2025 2:18 AM, Fred. Zwarts wrote: >>>>>>>>>>>>>>>>>>>>>>> Op 27.mrt.2025 om 04:09 schreef olcott: >>>>>>>>>>>>>>>>>>>>>>>> On 3/26/2025 8:22 PM, Richard Damon wrote: >>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>> _DDD() >>>>>>>>>>>>>>>>>>>>>>>> [00002172] 55 push ebp ; housekeeping >>>>>>>>>>>>>>>>>>>>>>>> [00002173] 8bec mov ebp,esp ; housekeeping >>>>>>>>>>>>>>>>>>>>>>>> [00002175] 6872210000 push 00002172 ; push DDD >>>>>>>>>>>>>>>>>>>>>>>> [0000217a] e853f4ffff call 000015d2 ; call HHH(DDD) >>>>>>>>>>>>>>>>>>>>>>>> [0000217f] 83c404 add esp,+04 >>>>>>>>>>>>>>>>>>>>>>>> [00002182] 5d pop ebp >>>>>>>>>>>>>>>>>>>>>>>> [00002183] c3 ret >>>>>>>>>>>>>>>>>>>>>>>> Size in bytes:(0018) [00002183] >>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>> Non-Halting is that the machine won't reach its >>>>>>>>>>>>>>>>>>>>>>>>> final staste even if an unbounded number of >>>>>>>>>>>>>>>>>>>>>>>>> steps are emulated. Since HHH doesn't do that, >>>>>>>>>>>>>>>>>>>>>>>>> it isn't showing non-halting. >>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>> DDD emulated by any HHH will never reach its >>>>>>>>>>>>>>>>>>>>>>>> final state >>>>>>>>>>>>>>>>>>>>>>>> in an unbounded number of steps. >>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>> DDD emulated by HHH1 reaches its final state in >>>>>>>>>>>>>>>>>>>>>>>> a finite >>>>>>>>>>>>>>>>>>>>>>>> number of steps. >>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>> It is not very interesting to know whether a >>>>>>>>>>>>>>>>>>>>>>> simulator reports that it is unable to reach the >>>>>>>>>>>>>>>>>>>>>>> end of the simulation of a program that halts in >>>>>>>>>>>>>>>>>>>>>>> direct execution. >>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>> That IS NOT what HHH is reporting. >>>>>>>>>>>>>>>>>>>>>> HHH correctly rejects DDD because DDD correctly >>>>>>>>>>>>>>>>>>>>>> emulated by HHH cannot possibly reach its own >>>>>>>>>>>>>>>>>>>>>> final halt state. >>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>> In other words, HHH is not a halt decider because >>>>>>>>>>>>>>>>>>>>> it is not computing the required mapping: >>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>> Troll >>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>> On Monday, March 6, 2023 at 3:19:42 PM UTC-5, olcott >>>>>>>>>>>>>>>>>>> wrote: >>>>>>>>>>>>>>>>>>> > In other words you could find any error in my post >>>>>>>>>>>>>>>>>>> so you resort to the >>>>>>>>>>>>>>>>>>> > lame tactic of ad hominem personal attack. >>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>> Troll >>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>> On 7/22/2024 10:51 AM, olcott wrote: >>>>>>>>>>>>>>>>> > *Ad Hominem attacks are the first resort of clueless >>>>>>>>>>>>>>>>> wonders* >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> I corrected your error dozens of times and you >>>>>>>>>>>>>>>> ignore these corrections and mindlessly repeat >>>>>>>>>>>>>>>> your error like a bot >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> Which is what you've been doing for the last three years. >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> Projection, as always. I'll add the above to the list. >>>>>>>>>>>>>>> >>>>>>>>>>>>>> >>>>>>>>>>>>>> TM's cannot possibly ever report on the behavior >>>>>>>>>>>>>> of the direct execution of another TM. I proved >>>>>>>>>>>>>> this many times in may ways. Ignoring these proofs >>>>>>>>>>>>>> IT NOT ANY FORM OF REBUTTAL. >>>>>>>>>>>>>> >>>>>>>>>>>>> >>>>>>>>>>>>> Sure they can. >>>>>>>>>>>>> >>>>>>>>>>>>> WHere is your proof? And what actual accepted principles is >>>>>>>>>>>>> is based on? >>>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>>> No TM can take another directly executed TM as an input >>>>>>>>>>>> and Turing computable functions only compute the mapping >>>>>>>>>>>> from inputs to outputs. >>>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> If A TM can only compute the mapping from *its* input to >>>>>>>>>>> *its* output, it cannot be wrong. >>>>>>>>>> >>>>>>>>>> Taking a wild guess does not count as computing the mapping. >>>>>>>>> >>>>>>>>> False. The only requirement is to map a member of the input >>>>>>>>> domain to a member of the output domain as per the requirements. >>>>>>>>> >>>>>>>>> If it does so in all cases, the mapping is computed. It >>>>>>>>> doesn't matter how it's done. >>>>>>>>> >>>>>>>> >>>>>>>> Unless an input is transformed into an output >>>>>>>> on the basis of a syntactic or semantic property >>>>>>>> of this input it is not a Turing computable function. >>>>>>>> >>>>>>>> int StringLength(char *S) >>>>>>>> { >>>>>>>> return 5; >>>>>>>> } >>>>>>>> >>>>>>>> Does not compute the string length of any string. >>>>>>>> >>>>>>> >>>>>>> >>>>>>> False. It computes the length of all strings of length 5. >>>>>> >>>>>> It does not compute (a sequence of steps of an >>>>>> algorithm that derive an output on the basis of >>>>>> an input) jack shit it makes a guess. >>>>>> >>>>> >>>>> Doesn't matter. If the requirement is to return 5 for strings that >>>>> have a length of 5, it meets the requirement. >>>> >>>> The actual requirement is to compute the mapping >>>> from a finite string to its length using a sequence >>>> of algorithmic steps. >>>> >>>> Likewise for halting. Compute the mapping from a >>>> finite string of machine code to the behavior that >>>> this finite string specifies. >>>> >>> >>> With that specifcation DEFINED as the behavior of the machine >>> described when it is actually run. >>> >> >> In other words the halting problem is defined to >> not be allowed to use computable functions and it >> is this screwball definition that prevents the ========== REMAINDER OF ARTICLE TRUNCATED ==========