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Groups > comp.lang.c++ > #86880

Re: Michael Sipser of MIT validates the notion of a simulating halt decider

From Mr Flibble <flibble@reddwarf.jmc.corp>
Newsgroups comp.theory, sci.logic, comp.lang.c, comp.lang.c++
Subject Re: Michael Sipser of MIT validates the notion of a simulating halt decider
Message-ID <20221012193059.00002dfa@reddwarf.jmc.corp> (permalink)
References (2 earlier) <ti6u2o$gu5$1@gioia.aioe.org> <20221012185239.0000114c@reddwarf.jmc.corp> <ti6vj2$1hpc2$4@dont-email.me> <20221012190744.00002a61@reddwarf.jmc.corp> <ti70qu$1hpc2$5@dont-email.me>
Organization Jupiter Mining Corporation
Date 2022-10-12 19:30 +0100

Cross-posted to 4 groups.

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On Wed, 12 Oct 2022 13:25:34 -0500
olcott <polcott2@gmail.com> wrote:

> On 10/12/2022 1:07 PM, Mr Flibble wrote:
> > On Wed, 12 Oct 2022 13:04:17 -0500
> > olcott <polcott2@gmail.com> wrote:
> >   
> >> On 10/12/2022 12:52 PM, Mr Flibble wrote:  
> >>> On Wed, 12 Oct 2022 12:38:31 -0500
> >>> olcott <none-ya@beez-waxes.com> wrote:
> >>>      
> >>>> On 10/12/2022 12:24 PM, Mr Flibble wrote:  
> >>>>> On Wed, 12 Oct 2022 10:08:20 -0500
> >>>>> olcott <polcott2@gmail.com> wrote:
> >>>>>         
> >>>>>> Professor Michael Sipser of MIT said that this verbatim
> >>>>>> paragraph looks correct:
> >>>>>>
> >>>>>>        If H does correctly determine that its correct
> >>>>>> simulation of D would never stop running unless aborted, would
> >>>>>> it be correct for H to abort this simulation and report that D
> >>>>>>        specifies a non-halting sequence of configurations?
> >>>>>>
> >>>>>> This validates the idea of a simulating halt decider referenced
> >>>>>> in this paper.
> >>>>>>
> >>>>>> *Rebutting the Sipser Halting Problem Proof*
> >>>>>> https://www.researchgate.net/publication/364302709_Rebutting_the_Sipser_Halting_Problem_Proof
> >>>>>>
> >>>>>>
> >>>>>> Professor Sipser has not had the time to carefully review this
> >>>>>> paper presented to him.
> >>>>>>
> >>>>>> *The exact words posted above have been approved by Michael
> >>>>>> Sipser*  
> >>>>>
> >>>>> Whilst the paragraph you sent to Sipser is correct the crucial
> >>>>> detail that you are glossing over is that you do NOT perform a
> >>>>> correct simulation for all inputs:
> >>>>>         
> >>>>
> >>>> Complete halt deciding system (Visual Studio Project) Sipser
> >>>> version. (a) x86utm operating system
> >>>> (b) x86 emulator adapted from libx86emu to compile under Windows
> >>>> (c) Several halt deciders and their sample inputs contained
> >>>> within Halt7.c https://liarparadox.org/2022_10_08.zip
> >>>>
> >>>> Anyone with sufficient software engineering skill can easily
> >>>> verify that Sipser_D is correctly simulated by Sipser_H and that
> >>>> Sipser_D remains stuck in infinitely recursive simulation unless
> >>>> and until Sipser_H aborts its correct simulation of Sipser_D.  
> >>>
> >>> You chose to not fully address my reply by snipping the important
> >>> part so I will give you another chance:
> >>>
> >>> Whilst the paragraph you sent to Sipser is correct the crucial
> >>> detail that you are glossing over is that you do NOT perform a
> >>> correct simulation for all inputs:
> >>>
> >>> void Px(void (*x)())
> >>> {
> >>> 	(void) H(x, x);
> >>> 	return;
> >>> }
> >>>
> >>> The correct simulation of Px above is to simulate Px halting.
> >>>      
> >>
> >> Not at all. It must be a correct simulation of the actual input by
> >> the simulating halt decider.
> >>
> >> int main() { H(Px,Px); }
> >> (a) The executed H simulates Px that calls a simulated H
> >> (b) that simulates Px that calls a simulated H
> >> (c) that simulates Px that calls a simulated H ...  
> > 
> > Yes indeed it must be a correct simulation and a correct simulation
> > of Px is to simulate Px halting.
> > 
> > /Flibble
> >   
> 
> Sipser agreed that the correct simulation of Px by H is the correct 
> measure of the behavior of Px.

Of course he did but you don't do a correct simulation of Px: a
correct simulation of Px is to simulate Px halting as that is how Px
behaves. 

/Flibble

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Thread

Michael Sipser of MIT validates the notion of a simulating halt decider olcott <polcott2@gmail.com> - 2022-10-12 10:08 -0500
  Re: Michael Sipser of MIT validates the notion of a simulating halt decider olcott <polcott2@gmail.com> - 2022-10-12 11:48 -0500
  Re: Michael Sipser of MIT validates the notion of a simulating halt decider olcott <polcott2@gmail.com> - 2022-10-12 12:04 -0500
  Re: Michael Sipser of MIT validates the notion of a simulating halt decider Mr Flibble <flibble@reddwarf.jmc.corp> - 2022-10-12 18:24 +0100
    Re: Michael Sipser of MIT validates the notion of a simulating halt decider olcott <none-ya@beez-waxes.com> - 2022-10-12 12:38 -0500
      Re: Michael Sipser of MIT validates the notion of a simulating halt decider Mr Flibble <flibble@reddwarf.jmc.corp> - 2022-10-12 18:52 +0100
        Re: Michael Sipser of MIT validates the notion of a simulating halt decider olcott <polcott2@gmail.com> - 2022-10-12 13:04 -0500
          Re: Michael Sipser of MIT validates the notion of a simulating halt decider Mr Flibble <flibble@reddwarf.jmc.corp> - 2022-10-12 19:07 +0100
            Re: Michael Sipser of MIT validates the notion of a simulating halt decider olcott <polcott2@gmail.com> - 2022-10-12 13:25 -0500
              Re: Michael Sipser of MIT validates the notion of a simulating halt decider Mr Flibble <flibble@reddwarf.jmc.corp> - 2022-10-12 19:30 +0100
                Re: Michael Sipser of MIT validates the notion of a simulating halt decider olcott <polcott2@gmail.com> - 2022-10-12 14:17 -0500
                Re: Michael Sipser of MIT validates the notion of a simulating halt decider Mr Flibble <flibble@reddwarf.jmc.corp> - 2022-10-12 20:26 +0100
                Re: Michael Sipser of MIT validates the notion of a simulating halt decider olcott <polcott2@gmail.com> - 2022-10-12 14:32 -0500
                Re: Michael Sipser of MIT validates the notion of a simulating halt decider Mr Flibble <flibble@reddwarf.jmc.corp> - 2022-10-12 20:50 +0100
  Re: Michael Sipser of MIT validates the notion of a simulating halt decider (Ben's support) olcott <none-ya@beez-waxes.com> - 2022-10-20 22:17 -0500
  Ben agrees that Sipser_H is correct according to its halt status criteria olcott <polcott2@gmail.com> - 2022-10-21 15:03 -0500
    Re: Ben agrees that Sipser_H is correct according to its halt status criteria Paul N <gw7rib@aol.com> - 2022-10-22 05:19 -0700
      Re: Ben agrees that Sipser_H is correct according to its halt status criteria [Paul N Lies] olcott <polcott2@gmail.com> - 2022-10-22 14:20 -0500
      Paul N is a liar or does not bother to pay attention olcott <polcott2@gmail.com> - 2022-10-22 17:10 -0500

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