| Deutsch English Français Italiano |
|
<vqbkqs$2t20u$1@dont-email.me> View for Bookmarking (what is this?) Look up another Usenet article |
Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail
From: Mikko <mikko.levanto@iki.fi>
Newsgroups: comp.theory
Subject: Re: DD correctly emulated by HHH --- Totally ignoring invalid rebuttals
Date: Thu, 6 Mar 2025 10:02:36 +0200
Organization: -
Lines: 52
Message-ID: <vqbkqs$2t20u$1@dont-email.me>
References: <vq5qqc$1j128$2@dont-email.me> <vq6l3k$1r2p8$1@dont-email.me> <vq72iv$1tapm$3@dont-email.me>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Transfer-Encoding: 8bit
Injection-Date: Thu, 06 Mar 2025 09:02:37 +0100 (CET)
Injection-Info: dont-email.me; posting-host="09aa8f89798e0ee8842c875017492364";
logging-data="3049502"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX189Ug1stS92Yxw2NuW1KBE3"
User-Agent: Unison/2.2
Cancel-Lock: sha1:UFC7bAwbsYBXb85ua31KnKmXnOw=
Bytes: 2853
On 2025-03-04 14:26:39 +0000, olcott said:
> On 3/4/2025 4:36 AM, Mikko wrote:
>> On 2025-03-04 03:07:56 +0000, olcott said:
>>
>>> int DD()
>>> {
>>> int Halt_Status = HHH(DD);
>>> if (Halt_Status)
>>> HERE: goto HERE;
>>> return Halt_Status;
>>> }
>>>
>>> _DD()
>>> [00002133] 55 push ebp ; housekeeping
>>> [00002134] 8bec mov ebp,esp ; housekeeping
>>> [00002136] 51 push ecx ; make space for local
>>> [00002137] 6833210000 push 00002133 ; push DD
>>> [0000213c] e882f4ffff call 000015c3 ; call HHH(DD)
>>> [00002141] 83c404 add esp,+04
>>> [00002144] 8945fc mov [ebp-04],eax
>>> [00002147] 837dfc00 cmp dword [ebp-04],+00
>>> [0000214b] 7402 jz 0000214f
>>> [0000214d] ebfe jmp 0000214d
>>> [0000214f] 8b45fc mov eax,[ebp-04]
>>> [00002152] 8be5 mov esp,ebp
>>> [00002154] 5d pop ebp
>>> [00002155] c3 ret
>>> Size in bytes:(0035) [00002155]
>>>
>>> DD correctly emulated by HHH cannot possibly
>>> reach its own "ret" instruction and terminate normally.
>>>
>>> The only valid rebuttal is to show all of the steps of
>>> exactly how DD correctly emulated by HHH reaches its
>>> own "ret" instruction.
>>
>> The question whether DD emulated by HHH exists is too uninteresting that
>> it would need a rebuttal, and so is the question that does it reach its
>> "ret" instruction if it exsists.
>>
>
> DD correctly emulated by HHH cannot possibly
> reach its own "ret" instruction and terminate normally.
> *Proves that the input to HHH(DD) can be rejected as non-halting*
As "DD correctly emulated by HHH" does not exist you can say anything
about it. But that does not prove anything about existing things.
--
Mikko