Path: news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: Richard Heathfield Newsgroups: comp.theory Subject: =?UTF-8?Q?Re=3A_Analysis_of_Flibble=E2=80=99s_Latest=3A_Detecting_v?= =?UTF-8?Q?s=2E_Simulating_Infinite_Recursion_ZFC?= Date: Wed, 28 May 2025 10:44:27 +0100 Organization: Fix this later Lines: 54 Message-ID: <1016ltr$36b92$1@dont-email.me> References: <875xhrtbpr.fsf@nosuchdomain.example.com> <100r2mb$b2b1$1@dont-email.me> <100r4oq$b650$1@dont-email.me> <100r5bf$b5vm$4@dont-email.me> <100r5hn$b650$2@dont-email.me> <100r648$bhcu$1@dont-email.me> <100r68v$b650$3@dont-email.me> <100sn6a$p071$1@dont-email.me> <100snl3$nvac$1@dont-email.me> <100sr6o$ppn2$3@dont-email.me> <100uqro$1an9v$1@dont-email.me> <100vehv$1en90$1@dont-email.me> <100vl4m$1g3rf$1@dont-email.me> <101224h$22da5$6@dont-email.me> <10123oq$2320h$1@dont-email.me> <10124j3$22da5$16@dont-email.me> <101285u$23u6u$1@dont-email.me> <10128df$23fpg$1@dont-email.me> <1012eie$25djd$1@dont-email.me> <1012epa$25ej1$1@dont-email.me> <1012fp8$24dfe$10@dont-email.me> <1012iu7$265fe$2@dont-email.me> <1013u9p$2h8vk$1@dont-email.me> <10140br$2hkq1$1@dont-email.me> <10144s4$2iqqa$1@dont-email.me> <1014dm7$2kke0$1@dont-email.me> <1015al0$2qlhp$1@dont-email.me> <1016f12$343p9$7@dont-email.me> <1016fu0$35b2t$1@dont-email.me> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Wed, 28 May 2025 11:44:30 +0200 (CEST) Injection-Info: dont-email.me; posting-host="e490a6530a5a0097a1e260eab0ada853"; logging-data="3353890"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX18+lFZp34drTYPCOBzVh0hplsmtnjk56ddoscUQUB4/Tw==" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:3d6SvM3paYY8D7krsH1Oux7DxmU= Content-Language: en-GB In-Reply-To: <1016fu0$35b2t$1@dont-email.me> On 28/05/2025 09:02, Mikko wrote: > On 2025-05-28 07:46:42 +0000, Richard Heathfield said: > >> On 27/05/2025 22:25, olcott wrote: >>> On 5/27/2025 8:11 AM, Richard Heathfield wrote: >>>> On 27/05/2025 11:41, Fred. Zwarts wrote: >>>> >>>> >>>> >>>>> Of course HHH can be called by any other function even by DDD. >>>> >>>> And is. DDD's source shows this. >>>> >>>>> But that is completely irrelevant >>>> >>>> Not in my view. >>>> >>>> I accept that that's your view and I won't dispute it because >>>> I understand your reasoning, but you and I are talking about >>>> different things. My underlying point is quite simply that >>>> Olcott made an incorrect and indeed contradictory claim about >>>> what HHH can and cannot report on. At the very, *very* least >>>> he made an insufficiently qualified claim. >>>> >>> >>> int sum(int x, int y) { return x + y; } >>> HHH must report on the behavior that its input actually >>> specifies the same way that sum(3,4) must report on the >>> sum of 3 + 4. >> >> DDD calls HHH, and you have said: "No HHH can report on the >> behavior of its caller" - so HHH cannot report on DDD. >> >> HHH's input is DDD, and you have said: "HHH must report on the >> behavior that its input actually specifies" - so HHH must >> report on DDD. >> >> Cannot/must. >> >> Must/cannot. >> >> Surely you don't really expect us to take you seriously? > > Why not? The point of the halting theorem is that a halting decider > cannot do what it must do. HHH is an example of that. It is, but I'm not sure that Mr O will see it that way. -- Richard Heathfield Email: rjh at cpax dot org dot uk "Usenet is a strange place" - dmr 29 July 1999 Sig line 4 vacant - apply within