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From: olcott <polcott333@gmail.com>
Newsgroups: comp.theory,sci.logic
Subject: Re: Every D(D) simulated by H presents non-halting behavior to H ###
Date: Fri, 10 May 2024 14:16:06 -0500
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On 5/10/2024 1:38 PM, Alan Mackenzie wrote:
> [ Followup-To: set ]
> 
> In comp.theory olcott <polcott333@gmail.com> wrote:
>> On 5/10/2024 12:55 PM, Alan Mackenzie wrote:
> 
>>> In comp.theory olcott <polcott333@gmail.com> wrote:
> 
>>> [ .... ]
> 
>>> I've tried out your much spammed code on GCC (see below).  It is clear
>>> you have never built or run this code, which ironically can't reach Line
>>> 06.  It can't even reach line 00.
> 
>>>> Richard tried to get away with D never simulated by H as an example
>>>> of D simulated by H:
> 
>>>> Message-ID: <v0ummt$2qov3$2@i2pn2.org>
>>>> On 5/1/2024 7:28 PM, Richard Damon wrote:
> 
>>>> *That people say they know I am wrong yet will not show the detailed*
>>>> *steps of how I am wrong indicates that they are probably liars*
> 
>>> You have said, or at least implied that your code fragment is runnable.
>>> I think you are the liar, here.
> 
>>>> 00 int H(ptr x, ptr x)  // ptr is pointer to int function
>>>> 01 int D(ptr x)
>>>> 02 {
>>>> 03   int Halt_Status = H(x, x);
>>>> 04   if (Halt_Status)
>>>> 05     HERE: goto HERE;
>>>> 06   return Halt_Status;
>>>> 07 }
>>>> 08
>>>> 09 int main()
>>>> 10 {
>>>> 11   H(D,D);
>>>> 12 }
> 
>>> I removed the line numbers from your code, added in a "pointer to int
>>> function" type (you should really learn how to do this yourself) and ran
>>> the result on GCC.
> 
>>> This is the file I submitted:
> 
>>> typedef int (* ptr) (void);
>>> int H(ptr x, ptr x)  // ptr is pointer to int function
>>> int D(ptr x)
>>> {
>>>       int Halt_Status = H(x, x);
>>>       if (Halt_Status)
>>>           HERE: goto HERE;
>>>       return Halt_Status;
>>> }
> 
>>> int main()
>>> {
>>>       H(D,D);
>>> }
> 
>>> .  These are the diagnostics generated by GCC:
> 
>>> olcott.c:2:18: error: redefinition of parameter ‘x’
>>>       2 | int H(ptr x, ptr x)  // ptr is pointer to int function
>>>         |              ~~~~^
>>> olcott.c:2:11: note: previous definition of ‘x’ with type ‘ptr’ {aka ‘int
>>> (*)(void)’}
>>>       2 | int H(ptr x, ptr x)  // ptr is pointer to int function
>>>         |       ~~~~^
>>> olcott.c: In function ‘H’:
>>> olcott.c:4:1: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’
>>> before ‘{’ token
>>>       4 | {
>>>         | ^
>>> olcott.c:12:1: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’
>>> before ‘{’ token
>>>      12 | {
>>>         | ^
>>> olcott.c:15: error: expected ‘{’ at end of input
> 
>>>> Any H/D pair matching the above template where D(D) is simulated
>>>> by the same H(D,D) that it calls cannot possibly reach past its own
>>>> line 03. Simple software engineering verified fact.
> 
>>> The code for D is so full of errors that it cannot demonstrate anything,
>>> beyond a lack of proficiency in C in its author.
> 
> 
>> *I have fully operational code, yet this is*
>> *not the code that the words below refer to*
> 
> Why, then, have you been spamming the group with faulty code for so long?
> Why did you not first check it and correct it before posting it?
> 
> When I brought up the issue before, you "answered", in
> 
> From: olcott <polcott333@gmail.com>
> Newsgroups: comp.theory,sci.logic
> Subject: Re: D simulated by H never halts no matter what H does V3
> Date: Sat, 4 May 2024 10:47:00 -0500
> 
> , that
> 
>> There is no actual error in these lines of code.
>> int main()
>> {
>>    H(D,D);
>>    return 0;
>> }
> 
> .  Why did you answer so evasively?  Why did you not admit then that the
> code was faulty, and thank me for pointing it out?
> 
>> I had to change the wording for people that intentionally
>> try as hard as possible to make sure to interpret my words
>> incorrectly.
> 
> There are no such people on this newsgroup.  Most people here try to
> answer your posts directly and honestly.  You are the poster who attempts
> to mislead, obfuscate, and evade.
> 
>> 00 int H(ptr x, ptr x)  // ptr is pointer to int function
>> 01 int D(ptr x)
>> 02 {
>> 03   int Halt_Status = H(x, x);
>> 04   if (Halt_Status)
>> 05     HERE: goto HERE;
>> 06   return Halt_Status;
>> 07 }
>> 08
>> 09 int main()
>> 10 {
>> 11   H(D,D);
>> 12 }
> 
>> Any H/D pair matching the above template where D(D) is simulated
>> by the same H(D,D) that it calls cannot possibly reach past its own
>> line 03. Simple software engineering verified fact.
> 
> Why are you doing this again?  Simple software engineering shows that the
> above code is so broken as to be unusable.  Why don't you correct it
> first before posting it yet again?
> 

*above template ---not code, code template*
*I said it was a code template*
*You knew it was a code template and pretend to not know*

*isomorphic to this code template*

rec routine P
  §L :if T[P] goto L
   Return §

*An impossible program*
C. Strachey
The Computer Journal, Volume 7, Issue 4, January 1965, Page 313, 
https://doi.org/10.1093/comjnl/7.4.313
Published: 01 January 1965
https://academic.oup.com/comjnl/article/7/4/313/354243



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

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