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Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: Richard Heathfield <rjh@cpax.org.uk> Newsgroups: comp.theory Subject: Re: Every sufficiently competent C programmer knows --- Very Stupid Mistake and Liars Date: Wed, 12 Mar 2025 04:06:05 +0000 Organization: Fix this later Lines: 31 Message-ID: <vqr17d$2e4bo$5@dont-email.me> References: <vqntaq$1jut5$1@dont-email.me> <vqp388$1tvqa$1@dont-email.me> <vqpdv9$202b2$2@dont-email.me> <vqperb$20c9k$2@dont-email.me> <E6mcnWv3nMa66036nZ2dnZfqnPWdnZ2d@brightview.co.uk> <vqqnk5$28jtr$1@dont-email.me> <vqqonm$28lh2$1@dont-email.me> <vqqq09$28kp8$1@dont-email.me> <vqqq7s$29buv$2@dont-email.me> <vqqrin$28lh2$4@dont-email.me> <vqqros$29meg$3@dont-email.me> <vqqvu3$2e4bo$2@dont-email.me> <vqr0hq$2e4f4$2@dont-email.me> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Wed, 12 Mar 2025 05:06:05 +0100 (CET) Injection-Info: dont-email.me; posting-host="1e46a42d02300691bd0ac693a83620d5"; logging-data="2560376"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX18fDHywHEQXJtNHdrKBhXT/1s+cnjGyhz4tS64I9H+zoA==" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:mlf6c+WKFf8Sdph9uRtJn6wUu0I= In-Reply-To: <vqr0hq$2e4f4$2@dont-email.me> Content-Language: en-GB Bytes: 2158 On 12/03/2025 03:54, olcott wrote: <snip> > DDD is a dumbed down version of DD and thus > isomorphic to DD. That's not what "isomorphic" means. > DD is isomorphic to the HP > counter example input. DD simulated by HHH > cannot possibly halt. On my system, it cannot possibly /start/ until it compiles, so I call BS. > The DD input to HHH cannot possibly halt Let's get it started first, shall we? >> The question you continually fail to address is what HHH() does >> with arbitrary input programs. ***crickets*** -- 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