Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: olcott Newsgroups: comp.theory Subject: Re: Any honest person that knows the x86 language can see... predict correctly Date: Thu, 1 Aug 2024 06:51:45 -0500 Organization: A noiseless patient Spider Lines: 44 Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Thu, 01 Aug 2024 13:51:45 +0200 (CEST) Injection-Info: dont-email.me; posting-host="3121e7e48560b53e45601f59b50fa691"; logging-data="2256545"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/f243RLVqzjfPcXTpV8WE1" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:hQylBPm8Jvb3Othu5dw1HEZgMsA= Content-Language: en-US In-Reply-To: Bytes: 2627 On 8/1/2024 2:46 AM, Fred. Zwarts wrote: > Op 01.aug.2024 om 05:51 schreef olcott: >> On 7/31/2024 10:08 PM, wij wrote: >>> On Tue, 2024-07-30 at 18:50 -0500, olcott wrote: >>>> >>>> It is not supposed to be a general solution to the halting problem. >>>> it only shows how the "impossible" input is correctly determined >>>> to be non halting. >>>> >>> >>> But how do you determine it is non-halting? >>> >>> As I know you are even unable to define what 'halt' mean !!! >>> >> I have done this thousands of times and after someone >> has read these thousands of times they say that I never >> said it once. >> >> void DDD() >> { >>    HHH(DDD); >>    return; >> } >> >> int main() >> { >>    HHH(DDD); >> } >> >> If DDD correctly emulated by HHH cannot possibly >> reach its return instruction then it never halts. >> >> > > But a correct simulation is impossible. When HHH does what-ever-the-hell the x86 semantics specifies then HHH is correct. -- Copyright 2024 Olcott "Talent hits a target no one else can hit; Genius hits a target no one else can see." Arthur Schopenhauer