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Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: "Fred. Zwarts" <F.Zwarts@HetNet.nl> Newsgroups: comp.theory Subject: Re: Turing Computations <are> finite string transformations of inputs Date: Sun, 27 Apr 2025 08:27:18 +0200 Organization: A noiseless patient Spider Lines: 51 Message-ID: <vukio6$646h$5@dont-email.me> References: <vu6lnf$39fls$2@dont-email.me> <vua9oi$2lub6$1@dont-email.me> <vudkah$1ona3$1@dont-email.me> <vufi61$3k099$1@dont-email.me> <vugddv$b21g$2@dont-email.me> <vuh2a3$tkor$1@dont-email.me> <vuhjsk$1h0ma$1@dont-email.me> <vujhmf$36iqv$1@dont-email.me> <vujj6s$35hcg$6@dont-email.me> <vujm3c$397q3$1@dont-email.me> <vujn04$3a526$3@dont-email.me> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Sun, 27 Apr 2025 08:27:19 +0200 (CEST) Injection-Info: dont-email.me; posting-host="ae23edbd9f2ff10f9b4e5eebfee85502"; logging-data="200913"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/JX11xiPMr0ODu/w1dwWlN" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:9JGF/WTc+CTaHHtc5TMjEbdHZnk= Content-Language: nl, en-GB In-Reply-To: <vujn04$3a526$3@dont-email.me> Bytes: 3375 Op 27.apr.2025 om 00:33 schreef olcott: > On 4/26/2025 5:18 PM, André G. Isaak wrote: >> On 2025-04-26 15:28, olcott wrote: >>> On 4/26/2025 4:03 PM, André G. Isaak wrote: >>>> On 2025-04-25 21:28, olcott wrote: >>>>> On 4/25/2025 5:28 PM, André G. Isaak wrote: >>>>>> On 2025-04-25 10:31, olcott wrote: >>>>>> >>>>>>> Once we understand that Turing computable functions are only >>>>>>> allowed to derived their outputs by applying finite string >>>>>>> operations to their inputs then my claim about the behavior >>>>>>> of DD that HHH must report on is completely proven. >>>>>> >>>>>> You're very confused here. >>>>>> >>>>>> Computable functions are *functions*. That is, they are mappings >>>>>> from a domain to a codomain, neither of which are required to be >>>>>> strings. Functions don't involve finite string operations at all. >>>>>> >>>>> >>>>> All Turing Machine based computation applies the/ >>>>> finite string transformations specified by the TM >>>>> language to the input finite string. >>>> >>>> Turing machines and computable functions are not the same thing. You >>>> keep conflating the two. The point of my post was to try to get you >>>> to be more careful with your terminology. >>>> >>>> André >>>> >>> >>> Yes so I must correct my words to say >>> >>> All Turing Machine based *Computable Functions* apply the >>> >> finite string transformations specified by the TM >>> >> language to the input finite string. >> >> Which is just as mangled as your earlier usage. Maybe learn what these >> things mean... >> >> André >> > > When HHH emulates DD once and then emulates itself > emulating DD according to the finite string transformation > rules specified by the x86 language then HHH should also analyse Halt7.c and conclude that there is a conditional abort, which makes the recursion finite and thus there is no need to abort the simulation. But HHH fails to do this correct analysis and prematurely aborts the simulation.