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From: olcott <polcott333@gmail.com>
Newsgroups: comp.theory,sci.logic
Subject: Re: Flat out dishonest or totally ignorant?
Date: Thu, 4 Jul 2024 07:53:07 -0500
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On 7/4/2024 6:09 AM, joes wrote:
> Am Wed, 03 Jul 2024 10:55:14 -0500 schrieb olcott:
>> On 7/3/2024 10:52 AM, Fred. Zwarts wrote:
>>> Op 03.jul.2024 om 15:24 schreef olcott:
>>>> On 7/3/2024 3:42 AM, Fred. Zwarts wrote:
>>>>> Op 03.jul.2024 om 05:55 schreef olcott:
>>>>>> On 7/2/2024 10:50 PM, joes wrote:
>>>>>>> Am Tue, 02 Jul 2024 14:46:38 -0500 schrieb olcott:
>>>>>>>> On 7/2/2024 2:17 PM, Fred. Zwarts wrote:
>>>>>>>>> Op 02.jul.2024 om 21:00 schreef olcott:
>>>>>>>>>> On 7/2/2024 1:42 PM, Fred. Zwarts wrote:
>>>>>>>>>>> Op 02.jul.2024 om 14:22 schreef olcott:
>>>>>>>>>>>> On 7/2/2024 3:22 AM, Fred. Zwarts wrote:
>>>>>>>>>>>>> Op 02.jul.2024 om 03:25 schreef olcott:
>>>>>>>
>>>>>>>>>>>>>> Every C programmer that knows what an x86 emulator is knows
>>>>>>>>>>>>>> that when HHH emulates the machine language of
>>>>>>>>>>>>>> Infinite_Loop, Infinite_Recursion, and DDD that it must
>>>>>>>>>>>>>> abort these emulations so that itself can terminate
>>>>>>>>>>>>>> normally.
>>>>>>>>>>>>>
>>>>>>>>>>>>> Whether or not it *must* abort is not very relevant.
> 
>>>>>>>>>>> Repeating the same thing that has already been proved to be
>>>>>>>>>>> irrelevant does not bring the discussion any further. Sipser is
>>>>>>>>>>> not relevant, because that is about a correct simulation.
>>>>>>>>>>> Your simulation is not correct.
> 
>>>>>>>>>> DDD is correctly emulated by HHH which calls an emulated
>>>>>>>>>> HHH(DDD) to repeat the process until aborted.
>>>>>>>>>
>>>>>>>>> HHH repeats the process twice and aborts too soon.
>>>>>>>>
>>>>>>>> DDD is correctly emulated by any HHH that can exist which calls
>>>>>>>> this emulated HHH(DDD) to repeat the process until aborted (which
>>>>>>>> may be never).
>>>>>>> Whatever HHH does, it does not run forever but aborts.
>>>>>>>
>>>>>> HHH halts on input DDD.
>>>>>>
>>>>>> DDD correctly simulated by HHH cannot possibly halt.
>>>>>>
>>>>> That would be an error of the simulator, because it aborts its own
>>>>> simulation too soon, one cycle before the simulated HHH would return
>>>>> and
>>>> You dishonestly redefined the problem so that it has no correct
>>>> answer.
>>>
>>> If you think that "What time is a three story building?" must have a
>>> correct answer, you are wrong.
>>> Similarly, if you think that HHH can simulate itself correctly, you are
>>> wrong.
>>>          int H(ptr p, ptr i);
>>>          int main()
>>>          {
>>>            return H(main, 0);
>>>          }
>>> You showed that H returns, but that the simulation thinks it does not
>>> return.
>>> DDD is making it unnecessarily complex, but has the same problem.
>> main correctly emulated by H never stops running unless aborted.
> As a matter of fact, H does abort it. It then returns to main,
> which then stops running.
> 

main correctly simulated by H never returns.
-- 
Copyright 2024 Olcott "Talent hits a target no one else can hit; Genius
hits a target no one else can see." Arthur Schopenhauer