Path: nntp.eternal-september.org!news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: olcott Newsgroups: comp.theory,sci.logic Subject: Re: My reviewers think that halt deciders must report on the behavior of their caller Date: Thu, 17 Jul 2025 08:31:32 -0500 Organization: A noiseless patient Spider Lines: 47 Message-ID: <105atvk$1bk0p$2@dont-email.me> References: <101nq32$99vd$1@dont-email.me> <104fduv$2n8gq$2@dont-email.me> <4cb5d16be8d1e6549823f35081050e7dad462da2@i2pn2.org> <104gi8j$2uc68$2@dont-email.me> <152859a4a4ef31aa45580e873eb6970c34b97ef9@i2pn2.org> <104hmb5$35gkb$1@dont-email.me> <104i15g$36mma$2@dont-email.me> <104jcqn$3jrpl$10@dont-email.me> <104lb03$13ioh$2@dont-email.me> <104lp8o$7l4q$7@dont-email.me> <104o662$18h8g$1@dont-email.me> <104oj2v$t0u4$7@dont-email.me> <104qimm$1dpnl$1@dont-email.me> <104rad9$1icss$3@dont-email.me> <104t4na$21rg3$1@dont-email.me> <104tra1$264oq$2@dont-email.me> <104vm2f$2ldm1$1@dont-email.me> <1050in9$2qkok$3@dont-email.me> <1052gji$3au6g$1@dont-email.me> <105304j$3dptv$3@dont-email.me> <105567k$5rd$1@dont-email.me> <1055kg7$2t13$6@dont-email.me> <1057pe1$l9av$1@dont-email.me> <1058fn9$pn5l$2@dont-email.me> <105a9r1$18s08$1@dont-email.me> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Thu, 17 Jul 2025 15:31:33 +0200 (CEST) Injection-Info: dont-email.me; posting-host="757a756c4546e5542c44a33ac5ff5463"; logging-data="1429529"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19o4aaGl3nLwbl5yIdqiyDi" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:dsM2O4UObIshbCjyumRnDUcBIQk= In-Reply-To: <105a9r1$18s08$1@dont-email.me> Content-Language: en-US X-Antivirus-Status: Clean X-Antivirus: Norton (VPS 250717-2, 7/17/2025), Outbound message On 7/17/2025 2:47 AM, Mikko wrote: > On 2025-07-16 15:15:53 +0000, olcott said: > >> On 7/16/2025 3:55 AM, Mikko wrote: >>> >>> If there were an error in the proof you would quote the erronoeus >>> inference. >> >> The error is the requirement that a halt decider >> reports on the direct execution of a machine that >> is not an input. > > That was stimpluated before asking the question that the proof answers. > No Turing Machine decider can ever report on the behavior of anything that is not an input encoded as a finite string. *From the bottom of page 319 has been adapted to this* https://www.liarparadox.org/Peter_Linz_HP_317-320.pdf Ĥ is not a finite string input to Ĥ.embedded_H ⟨Ĥ⟩ ⟨Ĥ⟩ are finite string inputs to Ĥ.embedded_H Ĥ.q0 ⟨Ĥ⟩ ⊢* Ĥ.embedded_H ⟨Ĥ⟩ ⟨Ĥ⟩ ⊢* Ĥ.∞ ⟨Ĥ⟩ ⟨Ĥ⟩ simulated by Ĥ.embedded_H reaches its simulated final halt state of ⟨Ĥ.qn⟩, and Ĥ.q0 ⟨Ĥ⟩ ⊢* Ĥ.embedded_H ⟨Ĥ⟩ ⟨Ĥ⟩ ⊢* Ĥ.qn ⟨Ĥ⟩ ⟨Ĥ⟩ simulated by Ĥ.embedded_H cannot possibly reach its simulated final halt state of ⟨Ĥ.qn⟩. When Ĥ is applied to ⟨Ĥ⟩ and embedded_H is a simulating partial halt decider (a) Ĥ copies its input ⟨Ĥ⟩ (b) Ĥ invokes embedded_H ⟨Ĥ⟩ ⟨Ĥ⟩ (c) embedded_H simulates ⟨Ĥ⟩ ⟨Ĥ⟩ (d) simulated ⟨Ĥ⟩ copies its input ⟨Ĥ⟩ (e) simulated ⟨Ĥ⟩ invokes simulated embedded_H ⟨Ĥ⟩ ⟨Ĥ⟩ (f) simulated embedded_H simulates ⟨Ĥ⟩ ⟨Ĥ⟩ (g) goto (d) with one more level of simulation until embedded_H sees the repeating pattern and transitions to Ĥ.qn. -- Copyright 2025 Olcott "Talent hits a target no one else can hit; Genius hits a target no one else can see." Arthur Schopenhauer