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Path: ...!weretis.net!feeder8.news.weretis.net!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: immibis <news@immibis.com> Newsgroups: comp.theory,sci.logic Subject: =?UTF-8?B?UmU6IFZlcmlmaWVkIGZhY3QgdGhhdCDEpC5IIOKfqMSk4p+pIOKfqMSk?= =?UTF-8?B?4p+pIGFuZCBIIOKfqMSk4p+pIOKfqMSk4p+pIGhhdmUgZGlmZmVyZW50IGJlaGF2?= =?UTF-8?Q?ior?= Date: Sat, 9 Mar 2024 22:59:12 +0100 Organization: A noiseless patient Spider Lines: 67 Message-ID: <usim3g$2hnhn$1@dont-email.me> References: <usia2e$2f2pd$1@dont-email.me> <usijm6$1bt2h$1@i2pn2.org> <usilsb$2hnoi$1@dont-email.me> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Sat, 9 Mar 2024 21:59:14 -0000 (UTC) Injection-Info: dont-email.me; posting-host="84f18222dde37498e0174c3433c1390b"; logging-data="2678327"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/QliK7CLp5xAKlW2g0kuev" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:1Gm0NX6kE3h2ugbnff2tda17HY8= Content-Language: en-US In-Reply-To: <usilsb$2hnoi$1@dont-email.me> Bytes: 4091 On 9/03/24 22:55, olcott wrote: > On 3/9/2024 3:17 PM, Richard Damon wrote: >> On 3/9/24 10:33 AM, olcott wrote: >>> *Verified fact that Ĥ.H ⟨Ĥ⟩ ⟨Ĥ⟩ and H ⟨Ĥ⟩ ⟨Ĥ⟩ have different behavior* >>> >>> Ĥ.q0 ⟨Ĥ⟩ ⊢* Ĥ.Hq0 ⟨Ĥ⟩ ⟨Ĥ⟩ ⊢* Ĥ.Hqy ∞ // Ĥ applied to ⟨Ĥ⟩ halts >>> Ĥ.q0 ⟨Ĥ⟩ ⊢* Ĥ.Hq0 ⟨Ĥ⟩ ⟨Ĥ⟩ ⊢* Ĥ.Hqn // Ĥ applied to ⟨Ĥ⟩ does not halt >> >> Specifications, not actual behavior until the existance of such an H >> is shown. >> >> IF taken as actual behavior, then it is conditional on such an H >> existing. >> >>> >>> Execution trace of Ĥ applied to ⟨Ĥ⟩ >>> (a) Ĥ.q0 The input ⟨Ĥ⟩ is copied then transitions to Ĥ.H >>> (b) Ĥ.H applied ⟨Ĥ⟩ ⟨Ĥ⟩ (input and copy) simulates ⟨Ĥ⟩ applied to ⟨Ĥ⟩ >>> (c) which begins at its own simulated ⟨Ĥ.q0⟩ to repeat the process >>> *This proves that Ĥ.H ⟨Ĥ⟩ ⟨Ĥ⟩ must abort its simulation* >> >> It NEEDS to in order to meet its specification >> >> It DOESN'T unless its algorithm says it does, >> >> If it just fails to answer, then it has failed to be a correct Halt >> Decider. >> >> The fact that you reach this conflict in actions, is the reason Halt >> Deciding is uncomputable. >> >>> >>> *This is a verified fact* >>> When simulating halt deciders always report on the behavior of >>> their simulated input from their own POV then when Ĥ.H ⟨Ĥ⟩ ⟨Ĥ⟩ >>> transitions to Ĥ.Hqn it is correct from its own POV. >> >> In other words, you are admitting to changing the question, and thus >> LYING that you are working on the actual original problem. >> >>> >>> *This is a verified fact* >>> When that occurs then H ⟨Ĥ⟩ ⟨Ĥ⟩ would transition to H.qy from >>> its own POV. >> >> Which just means you are LYING that this apply to an actual Halt >> Decider per the Halting Theory, >> >>> >>> When Ĥ.H ⟨Ĥ⟩ ⟨Ĥ⟩ and H ⟨Ĥ⟩ ⟨Ĥ⟩ report on the basis of their own >>> POV then Ĥ.H ⟨Ĥ⟩ ⟨Ĥ⟩ reports incorrectly about the behavior of >>> Ĥ ⟨Ĥ⟩ and H ⟨Ĥ⟩ ⟨Ĥ⟩ reports the behavior of Ĥ ⟨Ĥ⟩ correctly. >> >> And thus you are admitting that the H in H^.H is WRONG and thus H is >> not a correct Halt Decider, because it gets some cases wrong. > > It is a verified fact that when H ⟨Ĥ⟩ ⟨Ĥ⟩ and Ĥ.H ⟨Ĥ⟩ ⟨Ĥ⟩ meet this > criteria that H gets the right answer and Ĥ.H gets the wrong answer. It is a verified fact that it's impossible for H ⟨Ĥ⟩ ⟨Ĥ⟩ and Ĥ.H ⟨Ĥ⟩ ⟨Ĥ⟩ to both meet this criteria if you honestly followed the Linz proof (for Turing machines). It is a verified fact that it's impossible for H ⟨Ĥ⟩ ⟨Ĥ⟩ <H> and Ĥ.H ⟨Ĥ⟩ ⟨Ĥ⟩ <H> to both meet this criteria if you honestly followed the modified Linz proof (for Olcott machines).