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Path: ...!weretis.net!feeder9.news.weretis.net!news.quux.org!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: "Fred. Zwarts" <F.Zwarts@HetNet.nl> Newsgroups: comp.theory Subject: Re: Sufficient knowledge of C proves that DD specifies non-terminating behavior to HHH Date: Sat, 8 Feb 2025 10:57:12 +0100 Organization: A noiseless patient Spider Lines: 95 Message-ID: <vo79pq$8vq$2@dont-email.me> References: <vnumf8$24cq0$1@dont-email.me> <vnv4tf$2a40b$1@raubtier-asyl.eternal-september.org> <vnvv32$2e9m1$1@dont-email.me> <vo2pd4$31nli$1@raubtier-asyl.eternal-september.org> <vo2us8$32kg8$1@dont-email.me> <228a9804d6919149bac728ccf08134ed90db121e@i2pn2.org> <vo3cf0$35449$1@dont-email.me> <6f15178eda69b13fae9cbfef29acad05c9c6aeb3@i2pn2.org> <vo3t3n$37kcg$1@dont-email.me> <1454e934b709b66a0cb9de9e9796cb46fed0425c@i2pn2.org> <vo5c8c$3ipo2$2@dont-email.me> <f7f9c03f97de054f6393139c74f595f68400ede5@i2pn2.org> <vo6b14$3o0uo$1@dont-email.me> <274abb70abec9d461ac3eb34c0980b7421f5fabd@i2pn2.org> <vo6rhd$3tsq7$1@dont-email.me> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Sat, 08 Feb 2025 10:57:15 +0100 (CET) Injection-Info: dont-email.me; posting-host="1fdbf2580a5550da137bd470f6106b60"; logging-data="9210"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/ysHn89Npl9sF2HVPizeFc" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:ZK37ckj6u5q+M48htLv7yr7sHYY= Content-Language: nl, en-GB In-Reply-To: <vo6rhd$3tsq7$1@dont-email.me> Bytes: 5564 Op 08.feb.2025 om 06:53 schreef olcott: > On 2/7/2025 7:27 PM, Richard Damon wrote: >> On 2/7/25 8:12 PM, olcott wrote: >>> On 2/7/2025 5:56 PM, Richard Damon wrote: >>>> On 2/7/25 11:26 AM, olcott wrote: >>>>> On 2/7/2025 6:20 AM, Richard Damon wrote: >>>>>> On 2/6/25 10:02 PM, olcott wrote: >>>>>>> On 2/6/2025 8:21 PM, Richard Damon wrote: >>>>>>>> On 2/6/25 5:18 PM, olcott wrote: >>>>>>>>> On 2/6/2025 1:51 PM, Richard Damon wrote: >>>>>>>>>> On 2/6/25 1:26 PM, olcott wrote: >>>>>>>>>>> On 2/6/2025 10:52 AM, Bonita Montero wrote: >>>>>>>>>>>> Am 05.02.2025 um 16:11 schrieb olcott: >>>>>>>>>>>>> On 2/5/2025 1:44 AM, Bonita Montero wrote: >>>>>>>>>>>>>> Am 05.02.2025 um 04:38 schrieb olcott: >>>>>>>>>>>>>>> This treatment does not typically last very long and >>>>>>>>>>>>>>> will be immediately followed by a riskier fourth line >>>>>>>>>>>>>>> of treatment that has an initial success rate much higher >>>>>>>>>>>>>>> than its non progression mortality rate. >>>>>>>>>>>>>>> >>>>>>>>>>>>>> >>>>>>>>>>>>>> Halting problem solved ! >>>>>>>>>>>>>> >>>>>>>>>>>>> >>>>>>>>>>>>> The halting problem proof input does specify non-halting >>>>>>>>>>>>> behavior to its decider. >>>>>>>>>>>>> >>>>>>>>>>>>> https://www.researchgate.net/ >>>>>>>>>>>>> publication/369971402_Simulating_Termination_Analyzer_H_is_Not_Fooled_by_Pathological_Input_D >>>>>>>>>>>> >>>>>>>>>>>> LOOOOOOOOL >>>>>>>>>>> >>>>>>>>>>> Anyone that understands the C programming language >>>>>>>>>>> sufficiently well (thus not confused by the unreachable >>>>>>>>>>> "if" statement) correctly understands that DD simulated >>>>>>>>>>> by HHH cannot possibly reach its own return instruction. >>>>>>>>>>> >>>>>>>>>> >>>>>>>>>> And anyone that understand the halting problem knows that >>>>>>>>>> isn't the question being asked. The quesiton you NEED to ask >>>>>>>>>> is will the program described by the input halt when run? >>>>>>>>>> >>>>>>>>>> Since you start off with the wrong question, you logic is just >>>>>>>>>> faulty. >>>>>>>>>> >>>>>>>>> >>>>>>>>> Everyone that thinks my question is incorrect is wrong. >>>>>>>>> It has always been a mathematical mapping from finite >>>>>>>>> strings to behaviors. That people do not comprehend this >>>>>>>>> shows the shallowness of the depth of the learned-by-rote >>>>>>>>> (lack of) understanding. >>>>>>>>> >>>>>>>> >>>>>>>> No, you are just incorreect as you don't know what you are >>>>>>>> talking about. >>>>>>>> >>>>>>>> Yes, it is a mapping of the string to the behavior, and that >>>>>>>> mapping is DEFINED to be the halting behavior of the program the >>>>>>>> string describes. >>>>>>>> >>>>>>> >>>>>>> No this is incorrect. The input finite string specifies >>>>>>> (not merely describes) non halting behavior to its decider. >>>>>>> >>>>>> >>>>>> No, since the definition of "Halting Behavior" is the behavior of >>>>>> the progran being run. >>>>>> >>>>> >>>>> It may seem that way to people that have learned-by-rote >>>>> as their only basis. It is actually nothing like that. >>>> >>>> No, that *IS* the definition. >>>> >>> >>> A termination analyzer computes the mapping from finite >>> strings to the actual behavior that these finite strings >>> specify. That this is not dead obvious to everyone here >>> merely proves that learned-by-rote does not involve any >>> actual comprehension. >>> >>> >> >> And the behavior the finite string specifies is the behavior of >> running the program. > > That is verifiably factually incorrect. > The running program has a different execution trace > than the behavior that DD specifies to HHH. > If so, then it proves the failure of the simulation. The simulation aborts too soon on unsound grounds, one cycle before the normal termination of the program.