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From: dbush <dbush.mobile@gmail.com>
Newsgroups: comp.theory
Subject: Re: Every sufficiently competent C programmer knows --- Very Stupid
 Mistake and Liars
Date: Tue, 11 Mar 2025 22:32:59 -0400
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On 3/11/2025 10:31 PM, olcott wrote:
> On 3/11/2025 9:18 PM, dbush wrote:
>> On 3/11/2025 10:06 PM, olcott wrote:
>>> On 3/11/2025 9:02 PM, dbush wrote:
>>>> On 3/11/2025 9:41 PM, Richard Heathfield wrote:
>>>>> On 12/03/2025 01:22, olcott wrote:
>>>>>> DDD correctly simulated by HHH never reaches its
>>>>>> own "return" instruction and terminates normally
>>>>>> in any finite or infinite number of correctly
>>>>>> simulated steps.
>>>>>
>>>>> If it correctly simulates infinitely many steps, it doesn't 
>>>>> terminate. Look up "infinite".
>>>>>
>>>>> But your task is to decide for /any/ program, not just DDD. That, 
>>>>> as you are so fond of saying, is 'stipulated', and you can't get 
>>>>> out of it. The whole point of the Entscheidungsproblem is its 
>>>>> universality. Ignore that, and you have nothing.
>>>>>
>>>>
>>>>
>>>> Given that his code has HHH(DD) returning 0, 
>>>
>>> THESE ARE THE WORDS ANYONE THAT DODGES THESE
>>> WORDS WILL BE TAKEN FOR A LIAR
>>>
>>> void DDD()
>>> {
>>>    HHH(DDD);
>>>    return;
>>> }
>>>
>>> DDD correctly simulated by HHH never reaches its
>>> own "return" instruction and terminates normally
>>> in any finite or infinite number of correctly
>>> simulated steps.
>>>
>>
>> Changing the input is not allowed.
> 
> *You are simply lying that any input was ever changed*
> 

You did precisely that when you hypothesize different code for HHH.

Changing the input is not allowed.