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Path: ...!weretis.net!feeder9.news.weretis.net!i2pn.org!i2pn2.org!.POSTED!not-for-mail From: joes <noreply@example.org> Newsgroups: comp.theory Subject: Re: Liar detector: Fred, Richard, Joes and Alan --- Ben's agreement Date: Wed, 10 Jul 2024 18:35:59 -0000 (UTC) Organization: i2pn2 (i2pn.org) Message-ID: <c7c06fd5b24e1d1c101b9a1de8bba0909ca9e1f0@i2pn2.org> References: <v644pn$29t4h$3@dont-email.me> <v67028$2t9el$1@dont-email.me> <v68b3f$2n56v$5@dont-email.me> <v68ocd$39dkv$5@dont-email.me> <v68pfo$2n56v$7@dont-email.me> <v68rnv$39tml$2@dont-email.me> <v68tvd$3ac9t$1@dont-email.me> <v68uj0$3ahel$1@dont-email.me> <v694k4$3bevk$1@dont-email.me> <v69502$3bh3f$1@dont-email.me> <v6b1k4$3odj5$1@dont-email.me> <v6bf7r$3qiio$2@dont-email.me> <v6bm5v$3rj8n$1@dont-email.me> <v6bmoe$3ri0l$2@dont-email.me> <v6bnt2$3rj8n$3@dont-email.me> <v6brfj$3skuk$2@dont-email.me> <v6c3vh$3ttem$1@dont-email.me> <v6c539$3u2mj$1@dont-email.me> <v6dda0$7s8u$1@dont-email.me> <v6e67v$bbcb$4@dont-email.me> <v6gss2$t87a$1@dont-email.me> <v6gv65$to0m$1@dont-email.me> <v6h2li$ud7p$1@dont-email.me> <v6h2rm$ue7s$1@dont-email.me> <v6h3cu$ud7p$2@dont-email.me> <v6h83q$vag9$1@dont-email.me> <v6ikgb$19f5g$1@dont-email.me> <v6jgjo$1ctoi$4@dont-email.me> <v6lckp$1qi9e$1@dont-email.me> <v6m2qq$1tj30$6@dont-email.me> <v6m4qu$1uean$2@dont-email.me> <v6m56j$1ugv5$2@dont-email.me> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Injection-Date: Wed, 10 Jul 2024 18:35:59 -0000 (UTC) Injection-Info: i2pn2.org; logging-data="2822467"; mail-complaints-to="usenet@i2pn2.org"; posting-account="nS1KMHaUuWOnF/ukOJzx6Ssd8y16q9UPs1GZ+I3D0CM"; User-Agent: Pan/0.145 (Duplicitous mercenary valetism; d7e168a git.gnome.org/pan2) X-Spam-Checker-Version: SpamAssassin 4.0.0 Bytes: 4109 Lines: 58 Am Wed, 10 Jul 2024 09:17:55 -0500 schrieb olcott: > On 7/10/2024 9:11 AM, Fred. Zwarts wrote: >> Op 10.jul.2024 om 15:37 schreef olcott: >>> On 7/10/2024 2:18 AM, Mikko wrote: >>>> On 2024-07-09 14:14:16 +0000, olcott said: >>>>> On 7/9/2024 1:14 AM, Mikko wrote: >>>>>> On 2024-07-08 17:36:58 +0000, olcott said: >>>>>>> On 7/8/2024 11:16 AM, Fred. Zwarts wrote: >>>>>>>> Op 08.jul.2024 om 18:07 schreef olcott: >>>>>> There is an important detail that determines whether an infinite >>>>>> execution can be inferred. That is best illustrated by the >>>>>> following examples: >>>>>> void Finite_Loop() >>>>>> { >>>>>> int x = 10000; >>>>>> HERE: >>>>>> if (x > 0) { >>>>>> x--; >>>>>> goto HERE; >>>>>> } >>>>>> } >>>>>> void Finite_Recursion(int n) >>>>>> { >>>>>> if (n > 0) { >>>>>> Finite_Recursion(n + 1); >>>>>> } >>>>>> } >>>>>> void DDD() >>>>>> { >>>>>> HHH(DDD); // HHH detects recursive simulation and then simulates >>>>>> no more } >>>>>> The important difference is that in my examples there is a >>>>>> conditional instruction that can (and does) prevent infinite >>>>>> exectuion. >>>>>> >>>>> When we ask: >>>>> Does the call from DDD emulated by HHH to HHH(DDD) return? >>>> >>>> Why would anyone ask that? A question should make clear its topic. >>>> Instead one could ask whether HHH can fully emulate DDD if that is >>>> what one wants to know. Or one may think that HHH and DDD are so >>>> unimteresting that there is no point to ask anyting about them. >>>> >>> A correct emulator can correctly any correct x86 instructions. >>> When it emulates non-halting code then itself does not halt. You said previously that it could be a correct simulation to abort that. >> But when simulating a halting code, it is incorrect to abort the >> simulation halfway, even when you dream of another non-halting code. >> Such dreams are irrelevant. > > As soon as it is certain that not aborting results in its own > non-termination a simulating termination must abort. It is certain that the simulation will terminate of its own accord. -- Am Fri, 28 Jun 2024 16:52:17 -0500 schrieb olcott: Objectively I am a genius.