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From: joes <noreply@example.com>
Newsgroups: comp.theory
Subject: Re: How Partial Simulations correctly determine non-halting ---Mike
Terry Error
Date: Wed, 5 Jun 2024 18:28:00 -0000 (UTC)
Organization: i2pn2 (i2pn.org)
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Am Wed, 05 Jun 2024 09:04:16 -0500 schrieb olcott:
> On 6/5/2024 3:21 AM, Fred. Zwarts wrote:
>> Op 05.jun.2024 om 00:16 schreef olcott:
>>> On 6/4/2024 4:26 PM, joes wrote:
>>>> Am Tue, 04 Jun 2024 13:02:03 -0500 schrieb olcott:
>>>>> On 6/4/2024 11:58 AM, Mike Terry wrote:
>>>>>> On 04/06/2024 11:52, Fred. Zwarts wrote:
>>>>>>> Op 04.jun.2024 om 12:29 schreef Fred. Zwarts:
>>>>>>>> Op 03.jun.2024 om 23:24 schreef olcott:
>>>>>>>>> On 6/3/2024 3:09 PM, Fred. Zwarts wrote:
>>>>>>>>>> Op 03.jun.2024 om 14:20 schreef olcott:
>>>>>>>>>>> On 6/3/2024 4:42 AM, Ben Bacarisse wrote:
>>>>>>>>>>>> Mike Terry <news.dead.person.stones@darjeeling.plus.com>
>>>>>>>>>>>> writes:
>> Yes. And the fact that your decider diagnoses itself as non-halting
>> proves that there is something wrong with your decider.
>> Get the cream out of your eyes!
>>
>> typedef int (*ptr)(); // ptr is pointer to int function
>> in C
>> int H(ptr p, ptr i);
>> int main()
>> {
>> H(main, 0);
>> }
>>
>> H diagnoses this program as non-halting. The only reason is obvious:
>> the simulation of H by itself did not reach the final state.
>
> *The simulation of H is not required to halt*
But you wanted a decider!
> I actually tried this example and it does prove that main() halts and it
> also proves that the directly executed H(main, 0)
> halts and correctly returns 0; I gave you all of the details in another
> reply.
--
joes