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Path: ...!2.eu.feeder.erje.net!feeder.erje.net!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: I have always been correct about emulating termination analyzers --- PROOF Date: Sun, 20 Oct 2024 15:54:58 -0500 Organization: A noiseless patient Spider Lines: 100 Message-ID: <vf3qn2$ihpl$2@dont-email.me> References: <ves6p1$2uoln$1@dont-email.me> <3232d8a0cc7b5d4bba46321bf682c94573bf1b7c@i2pn2.org> <vesemu$2v7sh$1@dont-email.me> <a9fb95eb0ed914d0d9775448c005111eb43f2c5b@i2pn2.org> <veslpf$34ogr$1@dont-email.me> <647fe917c6bc0cfc78083ccf927fe280acdf2f9d@i2pn2.org> <vetq7u$3b8r2$1@dont-email.me> <522ecce215e636ddb7c9a1f75bff1ba466604cc5@i2pn2.org> <veuvt9$3hnjq$1@dont-email.me> <87634d01e18903c744d109aaca3a20b9ce4278bb@i2pn2.org> <vev8gg$3me0u$1@dont-email.me> <eb38c4aff9c8bc250c49892461ac25bfccfe303f@i2pn2.org> <vf051u$3rr97$1@dont-email.me> <e3f28689429722f86224d0d736115e4d1895299b@i2pn2.org> <vf1hun$39e3$1@dont-email.me> <dedb2801cc230a4cf689802934c4b841ae1a29eb@i2pn2.org> <vf1stu$8h0v$1@dont-email.me> <592109c757262c48aaca517a829ea1867913316b@i2pn2.org> <vf37qt$fbb3$1@dont-email.me> <b8862132632732d17892186510c3f0ca2a459755@i2pn2.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Sun, 20 Oct 2024 22:54:58 +0200 (CEST) Injection-Info: dont-email.me; posting-host="77a46f28b4cad16507a67d9d8c01a608"; logging-data="608053"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+mB+COpOEfYxqZxZGvrtM+" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:2FJ/4Ha+OTqqYFJYhY9MD2xJlNw= X-Antivirus-Status: Clean In-Reply-To: <b8862132632732d17892186510c3f0ca2a459755@i2pn2.org> Content-Language: en-US X-Antivirus: Norton (VPS 241020-4, 10/20/2024), Outbound message Bytes: 6242 On 10/20/2024 2:13 PM, Richard Damon wrote: > On 10/20/24 11:32 AM, olcott wrote: >> On 10/20/2024 6:46 AM, Richard Damon wrote: >>> On 10/19/24 11:20 PM, olcott wrote: >>>> On 10/19/2024 9:27 PM, Richard Damon wrote: >>>>> On 10/19/24 8:13 PM, olcott wrote: >>>>>> >>>>>> You are directly contradicting the verified fact that DDD >>>>>> emulated by HHH according to the semantics of the x86 language >>>>>> cannot possibly reach its own "return" instruction and halt. >>>>>> >>>>> >>>>> But that isn't what the question being asked >>>> >>>> Sure it is. You are just in psychological denial as proven by >>>> the fact that all attempted rebuttals (yours and anyone else's) >>>> to the following words have been baseless. >>>> >>>> Does the input DDD to HHH specify a halting computation? >>> >>> Which it isn't, but is a subtle change of the actual question. >>> >>> The actual question (somewhat informally stated, but from the source >>> you like to use) says: >>> >>> In computability theory, the halting problem is the problem of >>> determining, from a description of an arbitrary computer program and >>> an input, whether the program will finish running, or continue to run >>> forever. >>> >> >> That is the problem. Because it is too informally stated >> it can be misunderstood. No one ever intended for any >> termination analyzer to ever report on anything besides >> the behavior that its input actually specifies. > > What is "informal" about the actual problem. > > The informality is that it comes from a non-academic source, so doesn't > use the formal terminology, which you just wouldn't understand. > > What is to be misunderstood? > > Given that you start with a program, which is defined as the fully > detailed set of deterministic steps that are to be performed, and that > such a program, will do exactly one behavior for any given input given > to it, says that there is, BY DEFINITIOH a unique and specific answer > that the analysize must give to be correct. > > The requirement says that the user needs to, by the rules defined by the > analyszer, describe that program, and if the analyzer is going to be > able to qualify, must define at least one way (but could be multiple) of > creating the proper description of that input program, and that an given > input that meets that requirement will exactly represent only a singe > equivalence set of programs (an equivalence set of programs is a set of > programs that all members always produce the same output results for > every possible input). Thus, there must exist a unique mapping from each > input to such an equivalence set to a correct answer. > > Thus, it is THAT BEHAVIOR, the behavior of the full program that *IS* > the behavior that its input actually specifies. > > WHAT IS WRONG WITH THAT? > > > Now, this does point out that you claim of what could be the "finite- > string input" for you HHH, can't possible be such a correct input, > >> >>> So, DDD is the COMPUTER PROGRAM to be decided on, >> >> No not at all. When DDD is directly executed it specifies a >> different sequence of configurations than when DDD is emulated >> by HHH according to the semantics of the x86 language. > > And what step actually correctly emulated created the first difference > in sequence? > > You have been asked this many times, and just fail to answer, because > your claim has just been proven to be a *LIE*, so of course you can't > find a proof for it, > >> >> On 10/14/2022 7:44 PM, Ben Bacarisse wrote: >> > ... 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 that is just admitting that your HHH isn't answering the HALTING > PROBLEM, but the POOP problem, which has a different domain > HHH must answer about the actual behavior of its input. This behavior <is> correctly measured by DDD emulated by HHH according to the semantics of the x86 language. -- Copyright 2024 Olcott "Talent hits a target no one else can hit; Genius hits a target no one else can see." Arthur Schopenhauer