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 10:50:29 -0500 Organization: A noiseless patient Spider Lines: 38 Message-ID: References: <754c182e15a6e06e7133446c48f85c041088f0f4@i2pn2.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Thu, 01 Aug 2024 17:50:29 +0200 (CEST) Injection-Info: dont-email.me; posting-host="3121e7e48560b53e45601f59b50fa691"; logging-data="2363894"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX18XZl92Lc1dlMaHgnBhA+cA" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:yYEWK1bDe+kjAMS0ElE8M2007i4= Content-Language: en-US In-Reply-To: <754c182e15a6e06e7133446c48f85c041088f0f4@i2pn2.org> Bytes: 3225 On 8/1/2024 10:44 AM, joes wrote: > Am Thu, 01 Aug 2024 08:04:23 -0500 schrieb olcott: >> On 8/1/2024 7:56 AM, Fred. Zwarts wrote: >>> Op 01.aug.2024 om 13:51 schreef olcott: >>>> 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 !!! > >>>>>> 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. >>> But since HHH deviates from the semantics of the x86 language (by >>> skipping instructions of a haltingĀ  program) it is incorrect. >>> >> Only a freaking moron would believe that a non terminating input should >> be simulated forever. > I mean, how many iterations of an infinite loop can I skip simulating or > how many do I have to simulate to get identical behaviour? > When one disables the abort code then the cycle never stops. -- Copyright 2024 Olcott "Talent hits a target no one else can hit; Genius hits a target no one else can see." Arthur Schopenhauer