XPost: comp.theory, comp.ai.philosophy, sci.math   
   From: mikko.levanto@iki.fi   
      
   Chris M. Thomasson kirjoitti 27.11.2025 klo 9.58:   
   > On 11/26/2025 11:49 PM, Mikko wrote:   
   >> olcott kirjoitti 26.11.2025 klo 17.17:   
   >>> On 11/26/2025 4:01 AM, Mikko wrote:   
   >>>> olcott kirjoitti 17.11.2025 klo 15.31:   
   >>>>> On 11/17/2025 2:43 AM, Mikko wrote:   
   >>>>>> On 2025-11-17 00:12:14 +0000, olcott said:   
   >>>>>>   
   >>>>>>> On 11/16/2025 3:18 AM, Mikko wrote:   
   >>>>>>>> On 2025-11-15 16:12:49 +0000, olcott said:   
   >>>>>>>>   
   >>>>>>>>> On 11/15/2025 4:15 AM, Mikko wrote:   
   >>>>>>>>>> On 2025-11-14 15:00:09 +0000, olcott said:   
   >>>>>>>>>>   
   >>>>>>>>>>> On 11/14/2025 3:21 AM, Mikko wrote:   
   >>>>>>>>>>>> On 2025-11-13 15:50:37 +0000, olcott said:   
   >>>>>>>>>>>>   
   >>>>>>>>>>>>> On 11/13/2025 2:48 AM, Mikko wrote:   
   >>>>>>>>>>>>>> On 2025-11-12 12:54:12 +0000, olcott said:   
   >>>>>>>>>>>>>>   
   >>>>>>>>>>>>>>> On 11/12/2025 1:09 AM, Mikko wrote:   
   >>>>>>>>>>>>>>>> On 2025-11-11 13:04:13 +0000, olcott said:   
   >>>>>>>>>>>>>>>>   
   >>>>>>>>>>>>>>>>> On 11/11/2025 2:59 AM, Mikko wrote:   
   >>>>>>>>>>>>>>>>>> On 2025-11-10 14:48:00 +0000, olcott said:   
   >>>>>>>>>>>>>>>>>>   
   >>>>>>>>>>>>>>>>>>> On 11/10/2025 3:43 AM, Mikko wrote:   
   >>>>>>>>>>>>>>>>>>>> On 2025-11-09 12:51:57 +0000, olcott said:   
   >>>>>>>>>>>>>>>>>>>>   
   >>>>>>>>>>>>>>>>>>>>> On 11/9/2025 4:22 AM, Mikko wrote:   
   >>>>>>>>>>>>>>>>>>>>>> On 2025-11-08 13:36:06 +0000, olcott said:   
   >>>>>>>>>>>>>>>>>>>>>>   
   >>>>>>>>>>>>>>>>>>>>>>> On 11/8/2025 2:05 AM, Mikko wrote:   
   >>>>>>>>>>>>>>>>>>>>>>>> On 2025-11-07 12:57:48 +0000, olcott said:   
   >>>>>>>>>>>>>>>>>>>>>>>>   
   >>>>>>>>>>>>>>>>>>>>>>>>> On 11/7/2025 2:05 AM, Mikko wrote:   
   >>>>>>>>>>>>>>>>>>>>>>>>>> On 2025-11-06 20:48:02 +0000, olcott said:   
   >>>>>>>>>>>>>>>>>>>>>>>>>>   
   >>>>>>>>>>>>>>>>>>>>>>>>>>> D simulated by H cannot possibly reach its own   
   >>>>>>>>>>>>>>>>>>>>>>>>>>> simulated final halt state.   
   >>>>>>>>>>>>>>>>>>>>>>>>>>   
   >>>>>>>>>>>>>>>>>>>>>>>>>> That is merely a defect in H and irrelevanto   
   >>>>>>>>>>>>>>>>>>>>>>>>>> to the semantic and other   
   >>>>>>>>>>>>>>>>>>>>>>>>>> properties of D.   
   >>>>>>>>>>>>>>>>>>>>>>>>>   
   >>>>>>>>>>>>>>>>>>>>>>>>> That's a stupid statement.   
   >>>>>>>>>>>>>>>>>>>>>>>>   
   >>>>>>>>>>>>>>>>>>>>>>>> Stupid is better than false.   
   >>>>>>>>>>>>>>>>>>>>>>>   
   >>>>>>>>>>>>>>>>>>>>>>> It is stupidly false because you didn't bother   
   >>>>>>>>>>>>>>>>>>>>>>> to pay any attention at all.   
   >>>>>>>>>>>>>>>>>>>>>>   
   >>>>>>>>>>>>>>>>>>>>>> A statement about me is off topic in comp.theory.   
   >>>>>>>>>>>>>>>>>>>>>>   
   >>>>>>>>>>>>>>>>>>>>>>> H simulates D that calls H(D) that   
   >>>>>>>>>>>>>>>>>>>>>>> simulates D that calls H(D) that   
   >>>>>>>>>>>>>>>>>>>>>>> simulates D that calls H(D) that   
   >>>>>>>>>>>>>>>>>>>>>>> simulates D that calls H(D) that never reaches   
   >>>>>>>>>>>>>>>>>>>>>>> the simulated "return" statement final halt   
   >>>>>>>>>>>>>>>>>>>>>>> state of D because D calls H(D) in recursive   
   >>>>>>>>>>>>>>>>>>>>>>> simulation.   
   >>>>>>>>>>>>>>>>>>>>>>>   
   >>>>>>>>>>>>>>>>>>>>>>> Have you ever done any actual programming?   
   >>>>>>>>>>>>>>>>>>>>>>   
   >>>>>>>>>>>>>>>>>>>>>> A question about me is off topic in comp.theory.   
   >>>>>>>>>>>>>>>>>>>>>> But yes, I did yesterday.   
   >>>>>>>>>>>>>>>>>>>>>   
   >>>>>>>>>>>>>>>>>>>>> *This is my key foundational point*   
   >>>>>>>>>>>>>>>>>>>>>   
   >>>>>>>>>>>>>>>>>>>>> int H(char* P);   
   >>>>>>>>>>>>>>>>>>>>>   
   >>>>>>>>>>>>>>>>>>>>> int D()   
   >>>>>>>>>>>>>>>>>>>>> {   
   >>>>>>>>>>>>>>>>>>>>>    int Halt_Status = H(D);   
   >>>>>>>>>>>>>>>>>>>>>    if (Halt_Status)   
   >>>>>>>>>>>>>>>>>>>>>      HERE: goto HERE;   
   >>>>>>>>>>>>>>>>>>>>>    return Halt_Status;   
   >>>>>>>>>>>>>>>>>>>>> }   
   >>>>>>>>>>>>>>>>>>>>>   
   >>>>>>>>>>>>>>>>>>>>> The above is in test.c   
   >>>>>>>>>>>>>>>>>>>>>   
   >>>>>>>>>>>>>>>>>>>>> simulate.exe implements a C interpreter.   
   >>>>>>>>>>>>>>>>>>>>>   
   >>>>>>>>>>>>>>>>>>>>> simulate test.c   
   >>>>>>>>>>>>>>>>>>>>>   
   >>>>>>>>>>>>>>>>>>>>> runs the interpreter on the above source file   
   >>>>>>>>>>>>>>>>>>>>> from the command prompt.   
   >>>>>>>>>>>>>>>>>>>>   
   >>>>>>>>>>>>>>>>>>>> Any program that does not correctly tell whether   
   >>>>>>>>>>>>>>>>>>>> test.c halts is not   
   >>>>>>>>>>>>>>>>>>>> a halt decider. A program that gives an incorrect   
   >>>>>>>>>>>>>>>>>>>> answer is not even   
   >>>>>>>>>>>>>>>>>>>> a partial halt decider.   
   >>>>>>>>>>>>>>>>>>>>   
   >>>>>>>>>>>>>>>>>>>>> When this interpreter sees the call to H(D)   
   >>>>>>>>>>>>>>>>>>>>> it calls itself with the text body of D.   
   >>>>>>>>>>>>>>>>>>>>   
   >>>>>>>>>>>>>>>>>>>> According to C semanttics it should simulate H(D),   
   >>>>>>>>>>>>>>>>>>>> either simultating   
   >>>>>>>>>>>>>>>>>>>> instructions of H or simulating the return from H(D)   
   >>>>>>>>>>>>>>>>>>>> with the same   
   >>>>>>>>>>>>>>>>>>>> returned value as H(D) would return if executed, or   
   >>>>>>>>>>>>>>>>>>>> do whatever H would   
   >>>>>>>>>>>>>>>>>>>> do if H would not not return.   
   >>>>>>>>>>>>>>>>>>>   
   >>>>>>>>>>>>>>>>>>> That is not the behavior that the input to H(D)   
   >>>>>>>>>>>>>>>>>>> specifies.   
   >>>>>>>>>>>>>>>>>>> simulator.exe simulates Test.c. This simulates D that   
   >>>>>>>>>>>>>>>>>>> calls H(D) that the simulator recognizes as itself.   
   >>>>>>>>>>>>>>>>>>   
   >>>>>>>>>>>>>>>>>> It is the behavour C semantics specifies. According to   
   >>>>>>>>>>>>>>>>>> C semantics   
   >>>>>>>>>>>>>>>>>> any other behavour that produces the same result is   
   >>>>>>>>>>>>>>>>>> equally valid.   
   >>>>>>>>>>>>>>>>>>   
   >>>>>>>>>>>>>>>>>>> So D remains stuck in recursive simulation never being   
   >>>>>>>>>>>>>>>>>>> able to complete its first statement before calling H(D)   
   >>>>>>>>>>>>>>>>>>> again and again.   
   >>>>>>>>>>>>>>>>>>   
   >>>>>>>>>>>>>>>>>> If that happens then H does not return and therefore   
   >>>>>>>>>>>>>>>>>> is not a decider.   
   >>>>>>>>>>>>>>>>>   
   >>>>>>>>>>>>>>>>> Maybe my work is over your head.   
   >>>>>>>>>>>>>>>>   
   >>>>>>>>>>>>>>>> Maybe the definition of "decider" is over your head.   
   >>>>>>>>>>>>>>>   
   >>>>>>>>>>>>>>> typedef int (*ptr)();   
   >>>>>>>>>>>>>>> int HHH(ptr P);   
   >>>>>>>>>>>>>>>   
   >>>>>>>>>>>>>>> int DD()   
   >>>>>>>>>>>>>>> {   
   >>>>>>>>>>>>>>>    int Halt_Status = HHH(DD);   
   >>>>>>>>>>>>>>>    if (Halt_Status)   
   >>>>>>>>>>>>>>>      HERE: goto HERE;   
   >>>>>>>>>>>>>>>    return Halt_Status;   
   >>>>>>>>>>>>>>> }   
   >>>>>>>>>>>>>>>   
   >>>>>>>>>>>>>>> int main()   
   >>>>>>>>>>>>>>> {   
   >>>>>>>>>>>>>>>    HHH(DD);   
   >>>>>>>>>>>>>>> }   
   >>>>>>>>>>>>>>>   
   >>>>>>>>>>>>>>> People here have consistently lied about   
   >>>>>>>>>>>>>>> DD simulated by HHH reaching its own "return"   
   >>>>>>>>>>>>>>> statement final halt state for three years.   
   >>>>>>>>>>>>>>>   
   >>>>>>>>>>>>>>> You yourself have not told the truth about   
   >>>>>>>>>>>>>>> this even once.   
   >>>>>>>>>>>>>>   
   >>>>>>>>>>>>>> That seems to confirm that the definition of "decider" is   
   >>>>>>>>>>>>>> over your head.   
   >>>>>>>>>>>>>   
      
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