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Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: olcott <polcott333@gmail.com> Newsgroups: comp.theory Subject: Re: DDD correctly emulated by HHH --- Correct Emulation Defined 2 addendum Date: Sat, 22 Mar 2025 08:43:03 -0500 Organization: A noiseless patient Spider Lines: 89 Message-ID: <vrmepa$2r2l$1@dont-email.me> References: <vrfuob$256og$1@dont-email.me> <vrgme1$2tr56$1@dont-email.me> <vri5mn$6nv4$1@dont-email.me> <8354fe5751e03a767452a3999818d5c6da714a6b@i2pn2.org> <vrigh6$f35v$1@dont-email.me> <vrj6d3$14iuu$1@dont-email.me> <vrjog0$1ilbe$6@dont-email.me> <db8aa67218b2a0990cd1df38aca29dbd3930e145@i2pn2.org> <vrkumg$2l2ci$2@dont-email.me> <ba957e964c1090cbb801b1688b951ac095281737@i2pn2.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Sat, 22 Mar 2025 14:43:06 +0100 (CET) Injection-Info: dont-email.me; posting-host="0ec9c516aeb6faf287a21f372f67aa5c"; logging-data="93269"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19dQndIoaBX/SL1iqbBvF8v" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:YreIfP4NFkcH1mMG0RsCQ9+pV7M= In-Reply-To: <ba957e964c1090cbb801b1688b951ac095281737@i2pn2.org> X-Antivirus: Norton (VPS 250322-2, 3/22/2025), Outbound message X-Antivirus-Status: Clean Content-Language: en-US Bytes: 4324 On 3/21/2025 7:50 PM, Richard Damon wrote: > On 3/21/25 8:02 PM, olcott wrote: >> >> DDD() >> [00002172] 55 push ebp ; housekeeping >> [00002173] 8bec mov ebp,esp ; housekeeping >> [00002175] 6872210000 push 00002172 ; push DDD >> [0000217a] e853f4ffff call 000015d2 ; call HHH(DDD) >> [0000217f] 83c404 add esp,+04 >> [00002182] 5d pop ebp >> [00002183] c3 ret >> Size in bytes:(0018) [00002183] >> >> For every HHH at machine address 000015d2 that emulates >> a finite number of steps of DDD according to the >> semantics of the x86 programming language no DDD >> ever reaches its own "ret" instruction halt state. >> > > So, you demonstrate your utter stupidity and use of incorrect definitions. > > For EVERY HHH at machine address 000015d2 that emulates just a finite > number of steps and return, then the PROGRAM DDD https://en.wikipedia.org/wiki/Straw_man typedef void (*ptr)(); int HHH(ptr P); void DDD() { HHH(DDD); return; } int main() { HHH(Infinite_Recursion); } There is no program DDD in the above code. DDD emulated by HHH according to he semantics of the x86 language is the topic of discussion. Since no Turing machine M can ever compute the mapping from the behavior of any directly executed TM2 referring to the behavior of the directly executed DDD has always been incorrect. Halt Deciders always report on the behavior that their input finite string specifies. In every case that does not involve pathological self-reference the behavior that the finite string specifies is coincidentally the same behavior as the direct execution of the corresponding machine. The actual measure, however, has always been the behavior that the finite string input specifies. typedef void (*ptr)(); int HHH(ptr P); int DD() { int Halt_Status = HHH(DD); if (Halt_Status) HERE: goto HERE; return Halt_Status; } int main() { HHH(DD); } Prior to my work on simulating termination analyzers the behavior of the counter-example input to the conventional halting problem proofs was unknown. It was unknown because it was previously assumed the input DD could actually do the opposite of whatever value that HHH returned. When we define the Olcott emulating termination analyzer's purpose is to report in the behavior that its x86 machine language input specifies according to the semantics of the x86 language (thus defining what a correct emulation is) then we see that DD cannot possibly reach past its own first instruction in any finite number of steps of correct emulation. -- Copyright 2025 Olcott "Talent hits a target no one else can hit; Genius hits a target no one else can see." Arthur Schopenhauer