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Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: dbush <dbush.mobile@gmail.com> Newsgroups: comp.theory Subject: Re: Every sufficiently competent C programmer knows --- Very Stupid Mistake and Liars Date: Tue, 11 Mar 2025 22:33:51 -0400 Organization: A noiseless patient Spider Lines: 57 Message-ID: <vqqrqf$29k3n$2@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> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Wed, 12 Mar 2025 03:33:51 +0100 (CET) Injection-Info: dont-email.me; posting-host="8716d0356783f046d50792ab42ba1cd2"; logging-data="2412663"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+TY9adtxwsySkftrTZ1Sn9" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:BPkNugtAA2xulxTZb9vfp4mJZK0= Content-Language: en-US In-Reply-To: <vqqros$29meg$3@dont-email.me> Bytes: 3308 On 3/11/2025 10:33 PM, olcott wrote: > On 3/11/2025 9:29 PM, Richard Heathfield wrote: >> On 12/03/2025 02:06, olcott wrote: >>> On 3/11/2025 9:02 PM, dbush wrote: >>>> On 3/11/2025 9:41 PM, Richard Heathfield wrote: >>>>> On 12/03/2025 01:22, olcott wrote: >>>>>> DDD correctly simulated by HHH never reaches its >>>>>> own "return" instruction and terminates normally >>>>>> in any finite or infinite number of correctly >>>>>> simulated steps. >>>>> >>>>> If it correctly simulates infinitely many steps, it doesn't >>>>> terminate. Look up "infinite". >>>>> >>>>> But your task is to decide for /any/ program, not just DDD. That, >>>>> as you are so fond of saying, is 'stipulated', and you can't get >>>>> out of it. The whole point of the Entscheidungsproblem is its >>>>> universality. Ignore that, and you have nothing. >>>>> >>>> >>>> >>>> Given that his code has HHH(DD) returning 0, >>> >>> THESE ARE THE WORDS ANYONE THAT DODGES THESE >>> WORDS WILL BE TAKEN FOR A LIAR >> >> >> "THESE ARE THE WORDS ANYONE THAT DODGES THESE WORDS WILL BE TAKEN FOR >> A LIAR"? >> >> Is that all you've got? Nothing on your function's inability to >> correctly decide on whether arbitrary input programs terminate, which >> is a ***stipulated*** requirement for the problem. >> >> Without that, all you have is loud. >> >>> void DDD() >>> { >>> HHH(DDD); >>> return; >>> } >>> >>> DDD correctly simulated by HHH never reaches its >>> own "return" instruction and terminates normally >>> in any finite or infinite number of correctly >>> simulated steps. >> >> Look up "infinite". You keep using that word. I do not think it means >> what you think it means. >> > > Replacing the code of HHH with an unconditional simulator and > subsequently running HHH(DD) cannot > possibly f-cking halt no f-cking matter what. > Obviously, so what's the next step?