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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
Date: Mon, 12 May 2025 13:27:45 -0500
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On 5/12/2025 1:20 PM, dbush wrote:
> On 5/12/2025 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 is not what you thought he agreed to:
> 
> 
> On Monday, March 6, 2023 at 2:41:27 PM UTC-5, Ben Bacarisse wrote:
>  > I exchanged emails with him about this. He does not agree with anything
>  > substantive that PO has written. I won't quote him, as I don't have
>  > permission, but he was, let's say... forthright, in his reply to me.
> 

*Ben already acknowledged that the requirements have been met*

On 10/17/2022 10:23 AM, Ben Bacarisse wrote:
 > ...D(D) would not halt unless H stops the simulation.
 > H /can/ correctly determine this silly criterion (in this one case)...


-- 
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