Sujet : Re: HHH(DD) --- COMPUTE ACTUAL MAPPING FROM INPUT TO OUTPUT --- Trolls
De : F.Zwarts (at) *nospam* HetNet.nl (Fred. Zwarts)
Groupes : comp.theoryDate : 22. Apr 2025, 19:07:10
Autres entêtes
Organisation : A noiseless patient Spider
Message-ID : <vu8lse$vn9b$1@dont-email.me>
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User-Agent : Mozilla Thunderbird
Op 22.apr.2025 om 18:28 schreef olcott:
On 4/22/2025 7:57 AM, joes wrote:
Am Tue, 15 Apr 2025 15:44:06 -0500 schrieb olcott:
On 4/15/2025 2:03 PM, dbush wrote:
On 4/15/2025 2:50 PM, olcott wrote:
On 4/15/2025 11:05 AM, dbush wrote:
On 4/15/2025 11:29 AM, olcott wrote:
>
*corresponding output to the input*
Not freaking allowed to look at any damn thing else besides the
freaking input. Must compute whatever mapping ACTUALLY EXISTS FROM
THIS INPUT.
>
So the algorithm HHH that you've implemented computes *some*
computable function, but it does not compute the halting function as
it is not computable.
>
*corresponding output to the input*
>
That doesn't refute anything I said.
>
You continue to stupidly insist that int sum(int x, int y) {return x +
y; }
returns 7 for sum(3,2) because you incorrectly understand how these
things fundamentally work.
>
It is stupidly wrong to expect HHH(DD) report on the direct execution of
DD when you are not telling it one damn thing about this direct
execution.
What else is it missing that the processor uses to execute it?
>
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]
libx86emu <is> a correct x86 processor and does emulate
its inputs correctly.
The key thing here is that Olcott consistently does not understand that HHH is given a finite string input that according to the semantics of the x86 language specifies a halting program, as proven by direct execution and world-class simulators.
He thinks that is correct that HHH assumes a different, a hypothetical input, namely another DD that is based on another hypothetical HHH that does not abort, instead of the actual input that specifies a DD based on the actual HHH that does abort.
He assumes that is correct to think that the finite string specifies another behaviour, only because his simulator fails to reach the end of the simulation. This thinking violates the fact that according to the semantics of the x86 language, only one behaviour can be specified by the finite string.
Disagreeing with the semantics of the x86 language is as stupid as
disagreeing with arithmetic.
He seems to believe that Sum(3,2) should return 9, because it is allowed to use the hypothetical inputs 4 and 5, instead of the actual inputs 3 and 2, only because the programmer of the Sum function is unable to write correct code.