Path: ...!feeds.phibee-telecom.net!weretis.net!feeder8.news.weretis.net!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: olcott Newsgroups: comp.theory Subject: Re: 197 page execution trace of DDD correctly simulated by HHH Date: Mon, 1 Jul 2024 10:56:55 -0500 Organization: A noiseless patient Spider Lines: 48 Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Mon, 01 Jul 2024 17:56:56 +0200 (CEST) Injection-Info: dont-email.me; posting-host="f83257e6e5a87f489aa8241c55498376"; logging-data="1215180"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/bmSXmECQSIoFKflEIdA7p" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:h+ynwgZhhg7c7wp+ceWfkEtNnUI= Content-Language: en-US In-Reply-To: Bytes: 3347 On 7/1/2024 10:52 AM, joes wrote: > Am Mon, 01 Jul 2024 09:35:54 -0500 schrieb olcott: >> On 7/1/2024 9:27 AM, Fred. Zwarts wrote: >>> Op 01.jul.2024 om 14:57 schreef olcott: >>>> On 7/1/2024 3:27 AM, Fred. Zwarts wrote: >>>>> Op 30.jun.2024 om 19:25 schreef olcott: >>>>>> On 6/30/2024 3:42 AM, joes wrote: > >>>> Unless the outer HHH aborts its simulation after some fixed number of >>>> correct emulations or none of the HHH ever aborts and HHH never stops >>>> running. >>> But that does not make the result of the abort correct. >>> Not aborting will loop infinitely. >> If simulating halt decider H correctly simulates its input D until >> H correctly determines that its simulated D would never stop >> running unless aborted > If. D does stop running though, because the H that it calls aborts the > recursive emulation in order to be a decider. > *In each of the following cases the abort criteria has been met* void Infinite_Loop() { HERE: goto HERE; } void Infinite_Recursion() { Infinite_Recursion(); } void DDD() { HHH(DDD); } int main() { HHH(Infinite_Loop); HHH(Infinite_Recursion); HHH(DDD); } -- Copyright 2024 Olcott "Talent hits a target no one else can hit; Genius hits a target no one else can see." Arthur Schopenhauer