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Groups > comp.theory > #35671

Re: Could H correctly decide that P never halts?

From Ben Bacarisse <ben.usenet@bsb.me.uk>
Newsgroups comp.theory
Subject Re: Could H correctly decide that P never halts?
Date 2021-07-04 01:23 +0100
Organization A noiseless patient Spider
Message-ID <875yxrdj0o.fsf@bsb.me.uk> (permalink)
References <hKudnUFx1oVw4n39nZ2dnUU7-aPNnZ2d@giganews.com> <87bl7jfjpa.fsf@bsb.me.uk> <INydnVdkv8OZCH39nZ2dnUU7-I_NnZ2d@giganews.com> <87im1rdu8s.fsf@bsb.me.uk> <mL-dnUBUU5d7SX39nZ2dnUU7-U_NnZ2d@giganews.com>

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olcott <NoOne@NoWhere.com> writes:

> On 7/3/2021 3:20 PM, Ben Bacarisse wrote:
>> olcott <NoOne@NoWhere.com> writes:
>> 
>>> On 7/3/2021 11:25 AM, Ben Bacarisse wrote:
>>>> olcott <NoOne@NoWhere.com> writes:
>>>>
>>>>>       void P(u32 x)
>>>>>       {
>>>>>         u32 Input_Halts = H(x, x);
>>>>>         if (Input_Halts)
>>>>>           HERE: goto HERE;
>>>>>       }
>>>> For H(P,P) to be correct one of these must apply:
>>>>
>>>>     H(P,P) == 0 and P(P) does not halt, or
>>>>     H(P,P) != 0 and P(P) halts.
>>>>
>>>> Neither is the case.
>>>
>>> Superficially it may seem that way until you realize (as you have
>>> already realized) that the halt criteria must be adapted for a
>>> simulating halt decider.
>>>
>> The two criteria I gave are for the halting problem.  No one is
>> interested in your "other kind of halting".  It seems you agree that H
>> is wrong about the input given above as far as the criterion of actual
>> halting goes.
>
> Because a simulating halt decider must always abort the simulation of
> every input that never halts its halt deciding criteria must be
> adapted.

If you "adapted" the criterion for being a prime number you could
"refute" many more theorems.

-- 
Ben.

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Could H correctly decide that P never halts? olcott <NoOne@NoWhere.com> - 2021-07-03 10:19 -0500
  Re: Could H correctly decide that P never halts? wij <wyniijj@gmail.com> - 2021-07-03 08:25 -0700
    Re: Could H correctly decide that P never halts? olcott <NoOne@NoWhere.com> - 2021-07-03 10:32 -0500
      Re: Could H correctly decide that P never halts? Richard Damon <Richard@Damon-Family.org> - 2021-07-03 11:56 -0400
        Re: Could H correctly decide that P never halts? olcott <NoOne@NoWhere.com> - 2021-07-03 11:19 -0500
          Re: Could H correctly decide that P never halts? Bonita Montero <Bonita.Montero@gmail.com> - 2021-07-03 18:28 +0200
            Re: Could H correctly decide that P never halts? olcott <NoOne@NoWhere.com> - 2021-07-03 11:51 -0500
              Re: Could H correctly decide that P never halts? Bonita Montero <Bonita.Montero@gmail.com> - 2021-07-03 19:18 +0200
                Re: Could H correctly decide that P never halts? olcott <NoOne@NoWhere.com> - 2021-07-03 12:19 -0500
                Re: Could H correctly decide that P never halts? Bonita Montero <Bonita.Montero@gmail.com> - 2021-07-03 19:33 +0200
          Re: Could H correctly decide that P never halts? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2021-07-03 19:10 +0100
            Re: Could H correctly decide that P never halts? olcott <NoOne@NoWhere.com> - 2021-07-03 13:49 -0500
          Re: Could H correctly decide that P never halts? Richard Damon <Richard@Damon-Family.org> - 2021-07-03 14:29 -0400
  Re: Could H correctly decide that P never halts? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2021-07-03 17:25 +0100
    Re: Could H correctly decide that P never halts? olcott <NoOne@NoWhere.com> - 2021-07-03 11:49 -0500
      Re: Could H correctly decide that P never halts? Richard Damon <Richard@Damon-Family.org> - 2021-07-03 14:17 -0400
        Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ] olcott <NoOne@NoWhere.com> - 2021-07-03 14:08 -0500
          Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ] Richard Damon <Richard@Damon-Family.org> - 2021-07-03 15:43 -0400
            Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ](my thanks to Richard) olcott <NoOne@NoWhere.com> - 2021-07-03 15:37 -0500
              Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ](my thanks to Richard) Richard Damon <Richard@Damon-Family.org> - 2021-07-03 17:58 -0400
                Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ](my thanks to Richard) olcott <NoOne@NoWhere.com> - 2021-07-03 17:20 -0500
                Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ](my thanks to Richard) Richard Damon <Richard@Damon-Family.org> - 2021-07-03 18:55 -0400
                Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ](my thanks to Richard) Mr Flibble <flibble@reddwarf.jmc> - 2021-07-03 23:57 +0100
                Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ](my thanks to Richard) olcott <NoOne@NoWhere.com> - 2021-07-03 18:13 -0500
                Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ](my thanks to Richard) Richard Damon <Richard@Damon-Family.org> - 2021-07-03 19:04 -0400
                Re: Could H correctly decide that P never halts? [ prerequisites to understanding me] olcott <NoOne@NoWhere.com> - 2021-07-03 18:34 -0500
                Re: Could H correctly decide that P never halts? [ prerequisites to understanding me] Richard Damon <Richard@Damon-Family.org> - 2021-07-03 20:06 -0400
                Re: Could H correctly decide that P never halts? [ prerequisites to understanding me] olcott <NoOne@NoWhere.com> - 2021-07-03 19:26 -0500
                Re: Could H correctly decide that P never halts? [ prerequisites to understanding me] Richard Damon <Richard@Damon-Family.org> - 2021-07-03 21:21 -0400
                Re: Could H correctly decide that P never halts? [ prerequisites to understanding me] olcott <NoOne@NoWhere.com> - 2021-07-03 20:41 -0500
                Re: Could H correctly decide that P never halts? [ prerequisites to understanding me] Richard Damon <Richard@Damon-Family.org> - 2021-07-03 22:13 -0400
                Re: Could H correctly decide that P never halts? [ prerequisites to understanding me] olcott <NoOne@NoWhere.com> - 2021-07-03 21:22 -0500
                Re: Could H correctly decide that P never halts? [ prerequisites to understanding me] Richard Damon <Richard@Damon-Family.org> - 2021-07-03 23:24 -0400
                Re: Could H correctly decide that P never halts? [ prerequisites to understanding me] olcott <NoOne@NoWhere.com> - 2021-07-03 22:32 -0500
                Re: Could H correctly decide that P never halts? [ prerequisites to understanding me] Richard Damon <Richard@Damon-Family.org> - 2021-07-04 06:40 -0400
                Re: Could H correctly decide that P never halts? [ prerequisites to understanding me] olcott <NoOne@NoWhere.com> - 2021-07-04 09:24 -0500
                Re: Could H correctly decide that P never halts? [ prerequisites to understanding me] Richard Damon <Richard@Damon-Family.org> - 2021-07-04 14:50 -0400
              Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ](my thanks to Richard) André G. Isaak <agisaak@gm.invalid> - 2021-07-03 19:14 -0600
                Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ](my thanks to Richard) olcott <NoOne@NoWhere.com> - 2021-07-03 20:38 -0500
                Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ](my thanks to Richard) André G. Isaak <agisaak@gm.invalid> - 2021-07-03 22:14 -0600
                Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ](my thanks to Richard) André G. Isaak <agisaak@gm.invalid> - 2021-07-03 22:18 -0600
                Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ](my thanks to Richard) olcott <NoOne@NoWhere.com> - 2021-07-03 23:18 -0500
                Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ](my thanks to Richard) André G. Isaak <agisaak@gm.invalid> - 2021-07-04 00:50 -0600
                Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ](my thanks to Richard) olcott <NoOne@NoWhere.com> - 2021-07-04 09:15 -0500
                Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ](my thanks to Richard) André G. Isaak <agisaak@gm.invalid> - 2021-07-04 10:31 -0600
                Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ](my thanks to Richard) olcott <NoOne@NoWhere.com> - 2021-07-05 08:07 -0500
                Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ](my thanks to Richard) Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2021-07-04 11:24 -0700
                Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ](my thanks to Richard) André G. Isaak <agisaak@gm.invalid> - 2021-07-04 13:00 -0600
                Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ](my thanks to Richard) olcott <NoOne@NoWhere.com> - 2021-07-04 15:09 -0500
                Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ](my thanks to Richard) Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2021-07-04 13:30 -0700
                Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ](my thanks to Richard) olcott <NoOne@NoWhere.com> - 2021-07-05 08:23 -0500
                Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ](my thanks to Richard) Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2021-07-05 07:18 -0700
                Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ](my thanks to Richard) olcott <NoOne@NoWhere.com> - 2021-07-05 09:31 -0500
                Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ](my thanks to Richard) Richard Damon <Richard@Damon-Family.org> - 2021-07-05 11:10 -0400
                Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ](my thanks to Richard) olcott <NoOne@NoWhere.com> - 2021-07-05 10:18 -0500
                Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ](my thanks to Richard) Richard Damon <Richard@Damon-Family.org> - 2021-07-05 11:29 -0400
                Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ](my thanks to Richard) Richard Damon <Richard@Damon-Family.org> - 2021-07-05 12:53 -0400
                Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ](my thanks to Richard) olcott <NoOne@NoWhere.com> - 2021-07-05 12:13 -0500
                Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ](my thanks to Richard) André G. Isaak <agisaak@gm.invalid> - 2021-07-04 14:55 -0600
                Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ](my thanks to Richard) "dklei...@gmail.com" <dkleinecke@gmail.com> - 2021-07-04 18:03 -0700
                Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ](my thanks to Richard) olcott <NoOne@NoWhere.com> - 2021-07-04 20:42 -0500
                Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ](my thanks to Richard) Richard Damon <Richard@Damon-Family.org> - 2021-07-04 22:31 -0400
                Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ](my thanks to Richard) Richard Damon <Richard@Damon-Family.org> - 2021-07-05 08:05 -0400
                Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ](my thanks to Richard) olcott <NoOne@NoWhere.com> - 2021-07-05 08:40 -0500
                Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ](my thanks to Richard) Richard Damon <Richard@Damon-Family.org> - 2021-07-05 12:13 -0400
                Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ](my thanks to Richard) Jeff Barnett <jbb@notatt.com> - 2021-07-04 23:20 -0600
                Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ](my thanks to Richard) Mike Terry <news.dead.person.stones@darjeeling.plus.com> - 2021-07-05 18:49 +0100
                Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ](my thanks to Richard) Jeff Barnett <jbb@notatt.com> - 2021-07-05 15:17 -0600
                Re: Could H correctly decide that P never halts? olcott <NoOne@NoWhere.com> - 2021-07-05 17:38 -0500
                Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ](my thanks to Richard) olcott <NoOne@NoWhere.com> - 2021-07-04 23:52 -0500
                Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ](my thanks to Richard) Richard Damon <Richard@Damon-Family.org> - 2021-07-05 10:36 -0400
                Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ](my thanks to Richard) olcott <NoOne@NoWhere.com> - 2021-07-05 09:51 -0500
                Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ](my thanks to Richard) Richard Damon <Richard@Damon-Family.org> - 2021-07-05 11:36 -0400
                Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ](my thanks to Richard) olcott <NoOne@NoWhere.com> - 2021-07-05 08:18 -0500
                Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ](my thanks to Richard) Richard Damon <Richard@Damon-Family.org> - 2021-07-05 12:11 -0400
                Re: Could H correctly decide that P never halts? [ Why can H ignore its own behavior? ](my thanks to Richard) Richard Damon <Richard@Damon-Family.org> - 2021-07-04 15:02 -0400
      Re: Could H correctly decide that P never halts? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2021-07-03 21:20 +0100
        Re: Could H correctly decide that P never halts? olcott <NoOne@NoWhere.com> - 2021-07-03 16:21 -0500
          Re: Could H correctly decide that P never halts? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2021-07-04 01:23 +0100
            Re: Could H correctly decide that P never halts? [ already agreed ] olcott <NoOne@NoWhere.com> - 2021-07-03 19:30 -0500
              Re: Could H correctly decide that P never halts? [ already agreed ] Ben Bacarisse <ben.usenet@bsb.me.uk> - 2021-07-04 17:46 +0100
                Re: Could H correctly decide that P never halts? [ already agreed ] olcott <NoOne@NoWhere.com> - 2021-07-04 12:00 -0500
                Re: Could H correctly decide that P never halts? [ already agreed ] Ben Bacarisse <ben.usenet@bsb.me.uk> - 2021-07-05 02:04 +0100
                Re: Could H correctly decide that P never halts? [ already agreed ] olcott <NoOne@NoWhere.com> - 2021-07-04 20:57 -0500
                Re: Could H correctly decide that P never halts? [ already agreed ] Ben Bacarisse <ben.usenet@bsb.me.uk> - 2021-07-05 03:14 +0100
                Re: Could H correctly decide that P never halts? [ already agreed ] olcott <NoOne@NoWhere.com> - 2021-07-04 21:28 -0500
                Re: Could H correctly decide that P never halts? [ already agreed ] Richard Damon <Richard@Damon-Family.org> - 2021-07-04 22:33 -0400
                Re: Could H correctly decide that P never halts? [ already agreed ] olcott <NoOne@NoWhere.com> - 2021-07-04 22:09 -0500
                Re: Could H correctly decide that P never halts? [ already agreed ] Richard Damon <Richard@Damon-Family.org> - 2021-07-05 07:33 -0400
                Re: Could H correctly decide that P never halts? [ already agreed ] olcott <NoOne@NoWhere.com> - 2021-07-05 08:38 -0500
                Re: Could H correctly decide that P never halts? [ already agreed ] Richard Damon <Richard@Damon-Family.org> - 2021-07-05 10:57 -0400
                Re: Could H correctly decide that P never halts? [ already agreed ] olcott <NoOne@NoWhere.com> - 2021-07-05 09:59 -0500
                Re: Could H correctly decide that P never halts? [ already agreed ] Richard Damon <Richard@Damon-Family.org> - 2021-07-05 11:34 -0400
                Re: Could H correctly decide that P never halts? [ already agreed ] Richard Damon <Richard@Damon-Family.org> - 2021-07-05 13:16 -0400
                Re: Could H correctly decide that P never halts? [ already agreed ] olcott <NoOne@NoWhere.com> - 2021-07-05 12:48 -0500
                Re: Could H correctly decide that P never halts? [ already agreed ] Richard Damon <Richard@Damon-Family.org> - 2021-07-05 14:36 -0400
                Re: Could H correctly decide that P never halts? [ already agreed ] Richard Damon <Richard@Damon-Family.org> - 2021-07-05 12:18 -0400
                Re: Could H correctly decide that P never halts? [ already agreed ] Ben Bacarisse <ben.usenet@bsb.me.uk> - 2021-07-05 23:58 +0100
                Re: Could H correctly decide that P never halts? [ already agreed ] olcott <NoOne@NoWhere.com> - 2021-07-05 19:54 -0500
                Re: Could H correctly decide that P never halts? [ already agreed ] Richard Damon <Richard@Damon-Family.org> - 2021-07-05 21:29 -0400
                Re: Could H correctly decide that P never halts? [ already agreed ] Ben Bacarisse <ben.usenet@bsb.me.uk> - 2021-07-06 03:35 +0100
                Re: Could H correctly decide that P never halts? [ already agreed ] olcott <NoOne@NoWhere.com> - 2021-07-05 22:30 -0500
                Re: Could H correctly decide that P never halts? [ already agreed ] Richard Damon <Richard@Damon-Family.org> - 2021-07-06 06:47 -0400
                Re: Could H correctly decide that P never halts? [ already agreed ] Daniel Pehoushek <pehoushek1@gmail.com> - 2021-07-06 04:15 -0700
                Re: Could H correctly decide that P never halts? [ already agreed ] Ben Bacarisse <ben.usenet@bsb.me.uk> - 2021-07-06 13:23 +0100
                Re: Could H correctly decide that P never halts? [ already agreed ] Richard Damon <Richard@Damon-Family.org> - 2021-07-05 07:21 -0400
                Re: Could H correctly decide that P never halts? [ halting criteria ] olcott <NoOne@NoWhere.com> - 2021-07-05 08:26 -0500
                Re: Could H correctly decide that P never halts? [ halting criteria ] Richard Damon <Richard@Damon-Family.org> - 2021-07-05 10:50 -0400
                Re: Could H correctly decide that P never halts? [ halting criteria ] olcott <NoOne@NoWhere.com> - 2021-07-05 09:56 -0500
                Re: Could H correctly decide that P never halts? [ already agreed ] Richard Damon <Richard@Damon-Family.org> - 2021-07-05 10:30 -0400
                Re: Could H correctly decide that P never halts? [ already agreed ] olcott <NoOne@NoWhere.com> - 2021-07-05 09:33 -0500
                Re: Could H correctly decide that P never halts? [ already agreed ] Richard Damon <Richard@Damon-Family.org> - 2021-07-05 11:02 -0400
                Re: Could H correctly decide that P never halts? [ already agreed ] (correction) olcott <NoOne@NoWhere.com> - 2021-07-05 09:35 -0500
                Re: Could H correctly decide that P never halts? [ already agreed ] (correction) Richard Damon <Richard@Damon-Family.org> - 2021-07-05 12:38 -0400
                Re: Could H correctly decide that P never halts? [ already agreed ] (correction) olcott <NoOne@NoWhere.com> - 2021-07-05 12:10 -0500
                Re: Could H correctly decide that P never halts? [ already agreed ] (correction) Richard Damon <Richard@Damon-Family.org> - 2021-07-05 13:43 -0400
                Re: Could H correctly decide that P never halts? [ Richard's excellent summation ] olcott <NoOne@NoWhere.com> - 2021-07-05 19:12 -0500
  Re: Could H correctly decide that P never halts? Siri Cruise <chine.bleu@yahoo.com> - 2021-07-03 11:01 -0700
    Re: Could H correctly decide that P never halts? olcott <NoOne@NoWhere.com> - 2021-07-03 13:15 -0500
      Re: Could H correctly decide that P never halts? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2021-07-03 21:09 +0100
        Re: Could H correctly decide that P never halts? [ incorrect question ] olcott <NoOne@NoWhere.com> - 2021-07-03 16:06 -0500
          Re: Could H correctly decide that P never halts? [ incorrect question ] Ben Bacarisse <ben.usenet@bsb.me.uk> - 2021-07-04 01:44 +0100
            Re: Could H correctly decide that P never halts? [ incorrect question ] olcott <NoOne@NoWhere.com> - 2021-07-03 19:59 -0500
              Re: Could H correctly decide that P never halts? [ incorrect question ] Mr Flibble <flibble@reddwarf.jmc> - 2021-07-04 02:34 +0100
                Re: Could H correctly decide that P never halts? [ incorrect question ] olcott <NoOne@NoWhere.com> - 2021-07-03 20:46 -0500
              Re: Could H correctly decide that P never halts? [ incorrect question ] Ben Bacarisse <ben.usenet@bsb.me.uk> - 2021-07-04 17:45 +0100
    Re: Could H correctly decide that P never halts? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2021-07-03 19:15 +0100
      Re: Could H correctly decide that P never halts? olcott <NoOne@NoWhere.com> - 2021-07-03 13:58 -0500
    Re: Could H correctly decide that P never halts? Siri Cruise <chine.bleu@yahoo.com> - 2021-07-03 22:37 -0700
      Re: Could H correctly decide that P never halts? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2021-07-04 14:14 +0100

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