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Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: olcott <polcott333@gmail.com> Newsgroups: comp.theory Subject: Re: Who here is too stupid to know that DDD correctly simulated by HHH cannot possibly reach its own return instruction? Date: Sat, 3 Aug 2024 08:58:07 -0500 Organization: A noiseless patient Spider Lines: 32 Message-ID: <v8ld1f$3f6vr$5@dont-email.me> References: <v8jh7m$30k55$1@dont-email.me> <v8kp6s$3c5h2$2@dont-email.me> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Sat, 03 Aug 2024 15:58:07 +0200 (CEST) Injection-Info: dont-email.me; posting-host="6697133516c971b81fd53169bb6a94ea"; logging-data="3644411"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX18KDTwW4TkQncGwNN+l7lfr" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:cwB57G+tucKpvi6VpgG9NH/sQK4= Content-Language: en-US In-Reply-To: <v8kp6s$3c5h2$2@dont-email.me> Bytes: 2059 On 8/3/2024 3:19 AM, Mikko wrote: > On 2024-08-02 20:57:26 +0000, olcott said: > >> Who here is too stupid to know that DDD correctly simulated >> by HHH cannot possibly reach its own return instruction? >> >> void DDD() >> { >> HHH(DDD); >> return; >> } > > Everyone here understands that that depends on whther HHH returns. > Fred's understanding is worse than that. Some have deeper understanding than that. *Ben has the best understanding of all* On 10/14/2022 7:44 PM, Ben Bacarisse wrote: > I don't think that is the shell game. PO really /has/ an H > (it's trivial to do for this one case) that correctly determines > that P(P) *would* never stop running *unless* aborted. .... > But H determines (correctly) that D would not halt if it > were not halted. That much is a truism. -- Copyright 2024 Olcott "Talent hits a target no one else can hit; Genius hits a target no one else can see." Arthur Schopenhauer