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From: olcott <polcott333@gmail.com>
Newsgroups: comp.theory
Subject: Re: Halting Problem: What Constitutes Pathological Input
Date: Tue, 6 May 2025 13:47:11 -0500
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On 5/6/2025 7:14 AM, dbush wrote:
> On 5/6/2025 1:54 AM, olcott wrote:
>> On 5/6/2025 12:49 AM, Richard Heathfield wrote:
>>> On 06/05/2025 00:29, olcott wrote:
>>>
>>> <snip>
>>>
>>>>
>>>> It is the problem incorrect specification that creates
>>>> the contradiction.
>>>
>>> Not at all. The contradiction arises from the fact that it is not 
>>> possible to construct a universal decider.
>>>
>>>> Everyone here insists that functions computed
>>>> by models of computation can ignore inputs and
>>>> base their output on something else.
>>>
>>> I don't think anyone's saying that.
>>>
>>> Maybe you don't read so well.
>>>
>>
>> What are the exact steps for DD to be emulated by HHH
>> according to the semantics of the x86 language?
>> *Only an execution trace will do*
> 
> The exact same steps for DD to be emulated by UTM.
> 

_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]

Machine address by machine address specifics
that you know that you cannot provide because
you know that you are wrong.

-- 
Copyright 2024 Olcott "Talent hits a target no one else can hit; Genius
hits a target no one else can see." Arthur Schopenhauer