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From: olcott <polcott333@gmail.com>
Newsgroups: comp.theory
Subject: Re: How the requirements that Professor Sipser agreed to are exactly
 met --- WDH
Date: Mon, 12 May 2025 21:53:29 -0500
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In-Reply-To: <fceb852a146ff7238c5be7a0adf420474a8fb5df@i2pn2.org>

On 5/12/2025 8:27 PM, Richard Damon wrote:
> On 5/12/25 2:17 PM, olcott wrote:
>> Introduction to the Theory of Computation 3rd Edition
>> by Michael Sipser (Author)
>> 4.4 out of 5 stars    568 rating
>>
>> https://www.amazon.com/Introduction-Theory-Computation-Michael-Sipser/ 
>> dp/113318779X
>>
>> int DD()
>>   {
>>    int Halt_Status = HHH(DD);
>>    if (Halt_Status)
>>      HERE: goto HERE;
>>    return Halt_Status;
>>   }
>>
>> DD correctly simulated by any pure simulator
>> named HHH cannot possibly terminate thus proving
>> that this criteria has been met:
>>
>> <MIT Professor Sipser agreed to ONLY these verbatim words 10/13/2022>
>>      If simulating halt decider H correctly simulates its
>>      input D until H correctly determines that its simulated D
>>      would never stop running unless aborted then
>>
>>      H can abort its simulation of D and correctly report that D
>>      specifies a non-halting sequence of configurations.
>>   </MIT Professor Sipser agreed to ONLY these verbatim words 10/13/2022>
>>
> 
> Which your H doesn't do, as it can not correctly determine what doesn't 
> happen.
> 

Any C programmer can correctly tell what doesn't happen.
What doesn't happen is DD reaching its "return" statement
final halt state.


-- 
Copyright 2025 Olcott "Talent hits a target no one else can hit; Genius
hits a target no one else can see." Arthur Schopenhauer