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   comp.ai.philosophy      Perhaps we should ask SkyNet about this      59,235 messages   

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   Message 58,538 of 59,235   
   olcott to Mikko   
   Re: The halting problem is incorrect two   
   03 Dec 25 10:27:12   
   
   XPost: comp.theory, sci.logic, sci.math   
   From: polcott333@gmail.com   
      
   On 12/3/2025 5:34 AM, Mikko wrote:   
   > olcott kirjoitti 2.12.2025 klo 16.14:   
   >> On 12/2/2025 3:07 AM, Mikko wrote:   
   >>> olcott kirjoitti 1.12.2025 klo 14.47:   
   >>>> On 12/1/2025 4:45 AM, Mikko wrote:   
   >>>>> olcott kirjoitti 29.11.2025 klo 18.38:   
   >>>>>> On 11/29/2025 3:27 AM, Mikko wrote:   
   >>>>>>> olcott kirjoitti 28.11.2025 klo 16.46:   
   >>>>>>>> On 11/28/2025 2:14 AM, Mikko wrote:   
   >>>>>>>>> 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   
      
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