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Re: Is this correct Prolog? [ Tarski ]

From olcott <polcott2@gmail.com>
Newsgroups comp.theory, comp.lang.prolog, comp.ai.philosophy
Subject Re: Is this correct Prolog? [ Tarski ]
Date 2022-05-04 21:30 -0500
Organization A noiseless patient Spider
Message-ID <t4vcsa$g9o$1@dont-email.me> (permalink)
References (16 earlier) <87a6bzfqkz.fsf@bsb.me.uk> <t4pulq$bci$1@dont-email.me> <874k27fjan.fsf@bsb.me.uk> <t4q5uo$veh$1@dont-email.me> <vU8cK.2577$ATo1.2258@fx33.iad>

Cross-posted to 3 groups.

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On 5/3/2022 7:05 AM, Richard Damon wrote:
> On 5/2/22 11:01 PM, olcott wrote:
>> On 5/2/2022 9:21 PM, Ben wrote:
>>> olcott <polcott2@gmail.com> writes:
>>>
>>>> On 5/2/2022 6:43 PM, Ben wrote:
>>>>> Aleksy Grabowski <hurufu@gmail.com> writes:
>>>
>>>>>> Thanks for confirmation, that's what exactly what I was trying to 
>>>>>> tell
>>>>>> to topic poster in one of my previous posts. Prolog in it's bare form
>>>>>> is a bad theorem solver. It wasn't designed a such.
>>>>>>
>>>>>> If you want to deal with such problems maybe it is better to use Coq
>>>>>> theorem prover, I've never used it by myself, but it looks like 
>>>>>> one of
>>>>>> the best proving assistants out there.
>>>>>
>>>>> And indeed there is a fully formalised proof of GIT in Coq (though I
>>>>> think it's the slightly tighter Gödel-Rosser version).
>>>>
>>>> It is true that G is not provable.
>>>
>>> G is provable.  Proofs abound.  I was pointing out one in a proper proof
>>> assistant, Coq.
>>>
>>
>> It is OK that you are not a math guy.
>> If you were a math guy you would understand that if G is provable then 
>> that makes Gödel totally wrong. G is not Gödel's theorem, it is a key 
>> element of his theorem.
>>
>> Incomplete T means that there exists a φ such that φ is not provable 
>> or refutable in formal system T.
>>
>> Incomplete(T) ↔ ∃φ ((T ⊬ φ) ∧ (T ⊬ ¬φ)).
>>
>>
> 
> No, G IS provable, just not in the system F that G is described in, thus 
> F is Incomplete by your definition above.
> 
> Part of the key of the Godel proof is that while G sort of refers to 
> itself, it does it in a way that F can't handle, so in F, G doesn't 
> refer to itself but just "some statement", but in a 'more advanced' 
> version of F, say F', we can see that relationship, and show that G must 
> be true, proving it in F', but not in F, thus F is incomplete.
> 

Tarski's hierarchy of languages.

It only works at a higher level language because the expression of 
language at the next level is not self-contradictory.

All epistemological antinomies are self-contradictory making them 
semantically invalid.

In his undefinability proof: (only two pages long)
https://liarparadox.org/Tarski_275_276.pdf

He defines these two levels as "the theory" and the next higher level is 
called the "the metatheory".  (see link).


> We can then show that we can make a G' in F' with the same property, and 
> thus show that there exists a system F'' where we can prove G'.
> 
> This is why you simplification doesn't work. In F, we can't convert G 
> into the statement G says that G is unprovable, but we can in F', thus 
> the statement in F' is that G says that G in unprovable in F, and that 
> statement is provable in F'
> 

Likewise for the liar Paradox. Apparently Tarski could prove the Liar 
Paradox in his meta-theory.

> You don't seem to be able to handle the concept of layers of logic systems.
> 


-- 
Copyright 2022 Pete Olcott "Talent hits a target no one else can hit;
Genius hits a target no one else can see." Arthur Schopenhauer

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Thread

Is this correct Prolog? olcott <NoOne@NoWhere.com> - 2022-04-30 02:02 -0500
  Re: Is this correct Prolog? Richard Damon <Richard@Damon-Family.org> - 2022-04-30 21:08 -0400
    Re: Is this correct Prolog? olcott <NoOne@NoWhere.com> - 2022-04-30 20:42 -0500
      Re: Is this correct Prolog? Richard Damon <Richard@Damon-Family.org> - 2022-04-30 22:00 -0400
        Re: Is this correct Prolog? olcott <NoOne@NoWhere.com> - 2022-04-30 21:21 -0500
          Re: Is this correct Prolog? Richard Damon <Richard@Damon-Family.org> - 2022-04-30 22:38 -0400
            Re: Is this correct Prolog? olcott <NoOne@NoWhere.com> - 2022-04-30 21:56 -0500
              Re: Is this correct Prolog? Richard Damon <Richard@Damon-Family.org> - 2022-04-30 23:11 -0400
                Re: Is this correct Prolog? olcott <NoOne@NoWhere.com> - 2022-04-30 22:15 -0500
                Re: Is this correct Prolog? Jeff Barnett <jbb@notatt.com> - 2022-04-30 23:24 -0600
                Re: Is this correct Prolog? olcott <NoOne@NoWhere.com> - 2022-05-01 06:35 -0500
                Re: Is this correct Prolog? Richard Damon <Richard@Damon-Family.org> - 2022-05-01 13:16 -0400
                Re: Is this correct Prolog? Mr Flibble <flibble@reddwarf.jmc> - 2022-05-01 13:19 +0100
                Re: Is this correct Prolog? polcott <polcott2@gmail.com> - 2022-05-01 07:51 -0500
                Re: Is this correct Prolog? Richard Damon <Richard@Damon-Family.org> - 2022-05-01 13:19 -0400
                Re: Is this correct Prolog? Jeff Barnett <jbb@notatt.com> - 2022-05-01 11:22 -0600
                Re: Is this correct Prolog? Richard Damon <Richard@Damon-Family.org> - 2022-05-01 07:18 -0400
                Re: Is this correct Prolog? olcott <NoOne@NoWhere.com> - 2022-05-01 06:50 -0500
                Re: Is this correct Prolog? Richard Damon <Richard@Damon-Family.org> - 2022-05-01 13:26 -0400
                Re: Is this correct Prolog? olcott <NoOne@NoWhere.com> - 2022-05-01 06:28 -0500
                Re: Is this correct Prolog? Richard Damon <Richard@Damon-Family.org> - 2022-05-01 08:01 -0400
                Re: Is this correct Prolog? olcott <NoOne@NoWhere.com> - 2022-05-01 07:09 -0500
                Re: Is this correct Prolog? Richard Damon <Richard@Damon-Family.org> - 2022-05-01 08:16 -0400
    Re: Is this correct Prolog? olcott <NoOne@NoWhere.com> - 2022-04-30 20:47 -0500
      Re: Is this correct Prolog? André G. Isaak <agisaak@gm.invalid> - 2022-04-30 19:53 -0600
        Re: Is this correct Prolog? olcott <NoOne@NoWhere.com> - 2022-04-30 23:49 -0500
          Re: Is this correct Prolog? André G. Isaak <agisaak@gm.invalid> - 2022-04-30 23:34 -0600
            Re: Is this correct Prolog? olcott <NoOne@NoWhere.com> - 2022-05-01 06:40 -0500
              Re: Is this correct Prolog? André G. Isaak <agisaak@gm.invalid> - 2022-05-01 07:35 -0600
                Re: Is this correct Prolog? polcott <polcott2@gmail.com> - 2022-05-01 10:57 -0500
                Re: Is this correct Prolog? André G. Isaak <agisaak@gm.invalid> - 2022-05-01 10:15 -0600
                Re: Is this correct Prolog? olcott <NoOne@NoWhere.com> - 2022-05-01 11:57 -0500
                Re: Is this correct Prolog? André G. Isaak <agisaak@gm.invalid> - 2022-05-01 11:21 -0600
                Re: Is this correct Prolog? olcott <NoOne@NoWhere.com> - 2022-05-01 11:08 -0500
                Re: Is this correct Prolog? André G. Isaak <agisaak@gm.invalid> - 2022-05-01 10:21 -0600
                Re: Is this correct Prolog? olcott <NoOne@NoWhere.com> - 2022-05-01 12:01 -0500
                Re: Is this correct Prolog? Mr Flibble <flibble@reddwarf.jmc> - 2022-05-01 18:59 +0100
                Re: Is this correct Prolog? olcott <NoOne@NoWhere.com> - 2022-05-01 13:28 -0500
                Re: Is this correct Prolog? André G. Isaak <agisaak@gm.invalid> - 2022-05-01 12:33 -0600
                Re: Is this correct Prolog? olcott <NoOne@NoWhere.com> - 2022-05-01 14:00 -0500
                Re: Is this correct Prolog? Richard Damon <Richard@Damon-Family.org> - 2022-05-01 15:19 -0400
                Re: Is this correct Prolog? André G. Isaak <agisaak@gm.invalid> - 2022-05-01 13:22 -0600
                Re: Is this correct Prolog? olcott <NoOne@NoWhere.com> - 2022-05-01 14:32 -0500
                Re: Is this correct Prolog? André G. Isaak <agisaak@gm.invalid> - 2022-05-01 13:44 -0600
                Re: Is this correct Prolog? olcott <NoOne@NoWhere.com> - 2022-05-01 14:48 -0500
                Re: Is this correct Prolog? André G. Isaak <agisaak@gm.invalid> - 2022-05-01 13:54 -0600
                Re: Is this correct Prolog? olcott <NoOne@NoWhere.com> - 2022-05-01 15:03 -0500
                Re: Is this correct Prolog? André G. Isaak <agisaak@gm.invalid> - 2022-05-01 14:37 -0600
                Re: Is this correct Prolog? olcott <NoOne@NoWhere.com> - 2022-05-01 15:42 -0500
                Re: Is this correct Prolog? André G. Isaak <agisaak@gm.invalid> - 2022-05-01 14:51 -0600
                Re: Is this correct Prolog? olcott <NoOne@NoWhere.com> - 2022-05-01 17:04 -0500
                Re: Is this correct Prolog? Richard Damon <Richard@Damon-Family.org> - 2022-05-01 18:08 -0400
                Re: Is this correct Prolog? olcott <polcott2@gmail.com> - 2022-05-01 17:39 -0500
                Re: Is this correct Prolog? Richard Damon <Richard@Damon-Family.org> - 2022-05-01 19:18 -0400
                Re: Is this correct Prolog? André G. Isaak <agisaak@gm.invalid> - 2022-05-01 17:26 -0600
                Re: Is this correct Prolog? olcott <polcott2@gmail.com> - 2022-05-01 19:58 -0500
                Re: Is this correct Prolog? Richard Damon <Richard@Damon-Family.org> - 2022-05-01 21:32 -0400
                Re: Is this correct Prolog? olcott <polcott2@gmail.com> - 2022-05-01 20:53 -0500
                Re: Is this correct Prolog? Richard Damon <Richard@Damon-Family.org> - 2022-05-01 22:14 -0400
                Re: Is this correct Prolog? olcott <polcott2@gmail.com> - 2022-05-01 21:18 -0500
                Re: Is this correct Prolog? André G. Isaak <agisaak@gm.invalid> - 2022-05-01 20:37 -0600
                Re: Is this correct Prolog? Richard Damon <Richard@Damon-Family.org> - 2022-05-01 22:47 -0400
                Re: Is this correct Prolog? olcott <polcott2@gmail.com> - 2022-05-01 22:04 -0500
                Re: Is this correct Prolog? André G. Isaak <agisaak@gm.invalid> - 2022-05-01 22:10 -0600
                Re: Is this correct Prolog? Richard Damon <Richard@Damon-Family.org> - 2022-05-02 07:10 -0400
                Re: Is this correct Prolog? olcott <polcott2@gmail.com> - 2022-05-02 08:19 -0500
                Re: Is this correct Prolog? Richard Damon <Richard@Damon-Family.org> - 2022-05-02 18:38 -0400
                Re: Is this correct Prolog? André G. Isaak <agisaak@gm.invalid> - 2022-05-01 16:37 -0600
                Re: Is this correct Prolog? olcott <polcott2@gmail.com> - 2022-05-01 17:44 -0500
                Re: Is this correct Prolog? André G. Isaak <agisaak@gm.invalid> - 2022-05-01 17:15 -0600
                Re: Is this correct Prolog? [ André is proven to be a liar ] olcott <NoOne@NoWhere.com> - 2022-05-01 18:33 -0500
                Re: Is this correct Prolog? [ André is proven to be a liar ] Dennis Bush <dbush.mobile@gmail.com> - 2022-05-01 16:39 -0700
                Re: Is this correct Prolog? [ André is proven to be a liar ] olcott <NoOne@NoWhere.com> - 2022-05-01 18:51 -0500
                Re: Is this correct Prolog? [ André is proven to be a liar ] André G. Isaak <agisaak@gm.invalid> - 2022-05-01 17:44 -0600
                Re: Is this correct Prolog? [ André is proven to be a liar ] olcott <NoOne@NoWhere.com> - 2022-05-01 18:53 -0500
                Re: Is this correct Prolog? [ André is proven to be a liar ] André G. Isaak <agisaak@gm.invalid> - 2022-05-01 18:13 -0600
                Re: Is this correct Prolog? [ André is proven to be a liar ] olcott <polcott2@gmail.com> - 2022-05-01 18:15 -0500
                Re: Is this correct Prolog? [ André is proven to be a liar ] Richard Damon <Richard@Damon-Family.org> - 2022-05-01 19:21 -0400
                Re: Is this correct Prolog? [ André is proven to be a liar ] olcott <polcott2@gmail.com> - 2022-05-01 19:56 -0500
                Re: Is this correct Prolog? olcott <polcott2@gmail.com> - 2022-05-01 17:05 -0500
                Re: Is this correct Prolog? Richard Damon <Richard@Damon-Family.org> - 2022-05-01 16:55 -0400
                Re: Is this correct Prolog? Richard Damon <Richard@Damon-Family.org> - 2022-05-01 16:01 -0400
                Re: Is this correct Prolog? Jeff Barnett <jbb@notatt.com> - 2022-05-01 15:10 -0600
                Re: Is this correct Prolog? André G. Isaak <agisaak@gm.invalid> - 2022-05-01 15:11 -0600
                Re: Is this correct Prolog? olcott <polcott2@gmail.com> - 2022-05-01 16:49 -0500
                Re: Is this correct Prolog? Richard Damon <Richard@Damon-Family.org> - 2022-05-01 18:07 -0400
                Re: Is this correct Prolog? olcott <polcott2@gmail.com> - 2022-05-01 17:35 -0500
  Re: Is this correct Prolog? olcott <NoOne@NoWhere.com> - 2022-05-01 05:58 -0500
    Re: Is this correct Prolog? Richard Damon <Richard@Damon-Family.org> - 2022-05-01 07:12 -0400
      Re: Is this correct Prolog? olcott <NoOne@NoWhere.com> - 2022-05-01 06:45 -0500
        Re: Is this correct Prolog? Richard Damon <Richard@Damon-Family.org> - 2022-05-01 08:07 -0400
          Re: Is this correct Prolog? olcott <NoOne@NoWhere.com> - 2022-05-01 07:15 -0500
            Re: Is this correct Prolog? Richard Damon <Richard@Damon-Family.org> - 2022-05-01 13:49 -0400
  Re: Is this correct Prolog? olcott <NoOne@NoWhere.com> - 2022-05-01 06:00 -0500
    Re: Is this correct Prolog? Aleksy Grabowski <hurufu@gmail.com> - 2022-05-02 13:49 +0200
      Re: Is this correct Prolog? olcott <polcott2@gmail.com> - 2022-05-02 08:09 -0500
        Re: Is this correct Prolog? Aleksy Grabowski <hurufu@gmail.com> - 2022-05-02 15:35 +0200
          Re: Is this correct Prolog? olcott <polcott2@gmail.com> - 2022-05-02 08:55 -0500
            Re: Is this correct Prolog? Aleksy Grabowski <hurufu@gmail.com> - 2022-05-02 16:28 +0200
              Re: Is this correct Prolog? olcott <polcott2@gmail.com> - 2022-05-02 10:24 -0500
                Re: Is this correct Prolog? Aleksy Grabowski <hurufu@gmail.com> - 2022-05-02 17:44 +0200
                Re: Is this correct Prolog? olcott <polcott2@gmail.com> - 2022-05-02 11:04 -0500
                Re: Is this correct Prolog? Aleksy Grabowski <hurufu@gmail.com> - 2022-05-02 18:38 +0200
                Re: Is this correct Prolog? olcott <polcott2@gmail.com> - 2022-05-02 11:49 -0500
                Re: Is this correct Prolog? Jeff Barnett <jbb@notatt.com> - 2022-05-02 11:28 -0600
                Re: Is this correct Prolog? Mr Flibble <flibble@reddwarf.jmc> - 2022-05-02 19:41 +0100
                Re: Is this correct Prolog? olcott <polcott2@gmail.com> - 2022-05-02 14:26 -0500
                Re: Is this correct Prolog? olcott <polcott2@gmail.com> - 2022-05-02 14:32 -0500
                Re: Is this correct Prolog? Richard Damon <Richard@Damon-Family.org> - 2022-05-02 18:28 -0400
                Re: Is this correct Prolog? Aleksy Grabowski <hurufu@gmail.com> - 2022-05-03 00:41 +0200
                Re: Is this correct Prolog? Ben <ben.usenet@bsb.me.uk> - 2022-05-03 00:43 +0100
                Re: Is this correct Prolog? olcott <polcott2@gmail.com> - 2022-05-02 19:57 -0500
                Re: Is this correct Prolog? Ben <ben.usenet@bsb.me.uk> - 2022-05-03 03:21 +0100
                Re: Is this correct Prolog? olcott <polcott2@gmail.com> - 2022-05-02 22:01 -0500
                Re: Is this correct Prolog? Richard Damon <Richard@Damon-Family.org> - 2022-05-03 08:05 -0400
                Re: Is this correct Prolog? [ Tarski ] olcott <polcott2@gmail.com> - 2022-05-04 21:30 -0500
                Re: Is this correct Prolog? [ Tarski ] Richard Damon <Richard@Damon-Family.org> - 2022-05-04 22:46 -0400
                Re: Is this correct Prolog? [ Tarski ] olcott <polcott2@gmail.com> - 2022-05-04 22:02 -0500
                Re: Is this correct Prolog? [ Tarski ] Richard Damon <Richard@Damon-Family.org> - 2022-05-05 07:41 -0400
                Re: Is this correct Prolog? [ Tarski ] olcott <polcott2@gmail.com> - 2022-05-05 12:57 -0500
                Re: Is this correct Prolog? [ Tarski ] André G. Isaak <agisaak@gm.invalid> - 2022-05-05 12:06 -0600
                Re: Is this correct Prolog? [ Tarski ] olcott <polcott2@gmail.com> - 2022-05-05 16:23 -0500
                Re: Is this correct Prolog? [ Tarski ] André G. Isaak <agisaak@gm.invalid> - 2022-05-05 20:41 -0600
                Re: Is this correct Prolog? [ Tarski ] Jeff Barnett <jbb@notatt.com> - 2022-05-05 23:09 -0600
                Re: Is this correct Prolog? [ Tarski ] olcott <polcott2@gmail.com> - 2022-05-06 00:16 -0500
                Re: Is this correct Prolog? [ Tarski ] André G. Isaak <agisaak@gm.invalid> - 2022-05-06 07:39 -0600
                Re: Is this correct Prolog? [ Tarski ] olcott <polcott2@gmail.com> - 2022-05-06 12:17 -0500
                Re: Is this correct Prolog? [ Tarski ] André G. Isaak <agisaak@gm.invalid> - 2022-05-06 11:31 -0600
                Re: Is this correct Prolog? [ Tarski ] olcott <polcott2@gmail.com> - 2022-05-06 13:36 -0500
                Re: Is this correct Prolog? [ Tarski ] André G. Isaak <agisaak@gm.invalid> - 2022-05-06 12:41 -0600
                Re: Is this correct Prolog? [ Tarski ] olcott <polcott2@gmail.com> - 2022-05-06 14:03 -0500
                Re: Is this correct Prolog? [ Tarski ] André G. Isaak <agisaak@gm.invalid> - 2022-05-06 13:11 -0600
                Re: Is this correct Prolog? [ Tarski ] olcott <polcott2@gmail.com> - 2022-05-06 14:23 -0500
                Re: Is this correct Prolog? [ Tarski ] André G. Isaak <agisaak@gm.invalid> - 2022-05-06 13:27 -0600
                Re: Is this correct Prolog? [ Tarski ] olcott <polcott2@gmail.com> - 2022-05-06 14:39 -0500
                Re: Is this correct Prolog? [ Tarski ] André G. Isaak <agisaak@gm.invalid> - 2022-05-06 13:46 -0600
                Re: Is this correct Prolog? [ Tarski ] olcott <polcott2@gmail.com> - 2022-05-06 14:51 -0500
                Re: Is this correct Prolog? [ Tarski ] André G. Isaak <agisaak@gm.invalid> - 2022-05-06 13:55 -0600
                Re: Is this correct Prolog? [ Tarski ] olcott <polcott2@gmail.com> - 2022-05-06 15:35 -0500
                Re: Is this correct Prolog? [ Tarski ] Richard Damon <Richard@Damon-Family.org> - 2022-05-05 22:24 -0400
                Re: Is this correct Prolog? [ Tarski ] olcott <polcott2@gmail.com> - 2022-05-05 21:37 -0500
                Re: Is this correct Prolog? [ Tarski ] Richard Damon <Richard@Damon-Family.org> - 2022-05-06 07:43 -0400
                Re: Is this correct Prolog? [ Tarski ] olcott <polcott2@gmail.com> - 2022-05-06 15:29 -0500
                Re: Is this correct Prolog? Ben <ben.usenet@bsb.me.uk> - 2022-05-03 15:59 +0100
                Re: Is this correct Prolog? olcott <polcott2@gmail.com> - 2022-05-03 10:44 -0500
                Re: Is this correct Prolog? olcott <polcott2@gmail.com> - 2022-05-03 14:49 -0500
                Re: Is this correct Prolog? Python <python@example.invalid> - 2022-05-04 00:13 +0200
                Re: Is this correct Prolog? olcott <polcott2@gmail.com> - 2022-05-03 17:23 -0500
                Re: Is this correct Prolog? Python <python@example.invalid> - 2022-05-04 00:40 +0200
                Re: Is this correct Prolog? olcott <polcott2@gmail.com> - 2022-05-03 17:47 -0500
                Re: Is this correct Prolog? André G. Isaak <agisaak@gm.invalid> - 2022-05-03 09:18 -0600
                Re: Is this correct Prolog? olcott <polcott2@gmail.com> - 2022-05-03 11:08 -0500
                Re: Is this correct Prolog? André G. Isaak <agisaak@gm.invalid> - 2022-05-03 10:52 -0600
                Re: Is this correct Prolog? olcott <polcott2@gmail.com> - 2022-05-03 12:05 -0500
                Re: Is this correct Prolog? André G. Isaak <agisaak@gm.invalid> - 2022-05-03 11:17 -0600
                Re: Is this correct Prolog? olcott <polcott2@gmail.com> - 2022-05-03 12:33 -0500
                Re: Is this correct Prolog? André G. Isaak <agisaak@gm.invalid> - 2022-05-03 12:23 -0600
                Re: Is this correct Prolog? olcott <polcott2@gmail.com> - 2022-05-03 13:59 -0500
                Re: Is this correct Prolog? André G. Isaak <agisaak@gm.invalid> - 2022-05-03 14:03 -0600
                Re: Is this correct Prolog? olcott <polcott2@gmail.com> - 2022-05-03 22:24 -0500
                Re: Is this correct Prolog? André G. Isaak <agisaak@gm.invalid> - 2022-05-03 21:54 -0600
                Re: Is this correct Prolog? Richard Damon <Richard@Damon-Family.org> - 2022-05-04 07:27 -0400
                Re: Is this correct Prolog? [ André didn't lie after all ] olcott <polcott2@gmail.com> - 2022-05-03 12:08 -0500
                Re: Is this correct Prolog? [ André didn't lie after all ] "B.H." <xlt.pjw@gmail.com> - 2022-05-03 10:13 -0700
                Re: Is this correct Prolog? [ André didn't lie after all ] olcott <polcott2@gmail.com> - 2022-05-03 12:17 -0500
                Re: Is this correct Prolog? [ André didn't lie after all ] "B.H." <xlt.pjw@gmail.com> - 2022-05-03 10:25 -0700
                Re: Is this correct Prolog? [ André didn't lie after all ] olcott <polcott2@gmail.com> - 2022-05-03 13:07 -0500
                Re: Is this correct Prolog? Jeff Barnett <jbb@notatt.com> - 2022-05-03 12:33 -0600
                Re: Is this correct Prolog? olcott <polcott2@gmail.com> - 2022-05-03 14:12 -0500
                Re: Is this correct Prolog? André G. Isaak <agisaak@gm.invalid> - 2022-05-03 13:22 -0600
                Re: Is this correct Prolog? olcott <polcott2@gmail.com> - 2022-05-03 21:53 -0500
                Re: Is this correct Prolog? Richard Damon <Richard@Damon-Family.org> - 2022-05-03 23:12 -0400
                Re: Is this correct Prolog? olcott <polcott2@gmail.com> - 2022-05-03 22:53 -0500
                Re: Is this correct Prolog? André G. Isaak <agisaak@gm.invalid> - 2022-05-03 22:06 -0600
                Re: Is this correct Prolog? olcott <polcott2@gmail.com> - 2022-05-04 01:17 -0500
                Re: Is this correct Prolog? André G. Isaak <agisaak@gm.invalid> - 2022-05-04 08:02 -0600
                Re: Is this correct Prolog? olcott <polcott2@gmail.com> - 2022-05-04 14:01 -0500
                Re: Is this correct Prolog? Richard Damon <Richard@Damon-Family.org> - 2022-05-04 19:48 -0400
                Re: Is this correct Prolog? Mikko <mikko.levanto@iki.fi> - 2022-05-04 09:49 +0300
                Re: Is this correct Prolog? olcott <polcott2@gmail.com> - 2022-05-04 12:55 -0500
                Re: Is this correct Prolog? Mikko <mikko.levanto@iki.fi> - 2022-05-06 15:46 +0300
                Re: Is this correct Prolog? olcott <polcott2@gmail.com> - 2022-05-06 12:24 -0500
                Re: Is this correct Prolog? Jeff Barnett <jbb@notatt.com> - 2022-05-03 15:58 -0600
                Re: Is this correct Prolog? olcott <polcott2@gmail.com> - 2022-05-03 17:13 -0500
                Re: Is this correct Prolog? Aleksy Grabowski <hurufu@gmail.com> - 2022-05-03 10:46 +0200
                Re: Is this correct Prolog? olcott <polcott2@gmail.com> - 2022-05-03 10:06 -0500
                Re: Is this correct Prolog? Richard Damon <Richard@Damon-Family.org> - 2022-05-03 22:20 -0400
                Re: Is this correct Prolog? olcott <polcott2@gmail.com> - 2022-05-02 19:11 -0500
                Re: Is this correct Prolog? olcott <polcott2@gmail.com> - 2022-05-02 19:35 -0500
                Re: Is this correct Prolog? Richard Damon <Richard@Damon-Family.org> - 2022-05-02 20:47 -0400
  Re: Is this correct Prolog? olcott <NoOne@NoWhere.com> - 2022-05-01 06:06 -0500
    Re: Is this correct Prolog? Richard Damon <Richard@Damon-Family.org> - 2022-05-01 07:26 -0400
      Re: Is this correct Prolog? olcott <NoOne@NoWhere.com> - 2022-05-01 06:54 -0500
        Re: Is this correct Prolog? Richard Damon <Richard@Damon-Family.org> - 2022-05-01 08:11 -0400
          Re: Is this correct Prolog? olcott <NoOne@NoWhere.com> - 2022-05-01 07:19 -0500
            Re: Is this correct Prolog? Richard Damon <Richard@Damon-Family.org> - 2022-05-01 14:00 -0400

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