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Re: A new category of thought

From Mikko <mikko.levanto@iki.fi>
Newsgroups comp.theory, sci.logic, sci.math, sci.lang
Subject Re: A new category of thought
Date 2025-12-03 12:41 +0200
Organization A noiseless patient Spider
Message-ID <10gp441$37f5l$1@dont-email.me> (permalink)
References (6 earlier) <10gfqb6$3p2df$1@dont-email.me> <10gjsku$18h21$1@dont-email.me> <10gkiev$1h8eo$1@dont-email.me> <10gm9do$24og8$1@dont-email.me> <10gmre5$2blfd$1@dont-email.me>

Cross-posted to 4 groups.

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olcott kirjoitti 2.12.2025 klo 16.00:
> On 12/2/2025 2:53 AM, Mikko wrote:
>> olcott kirjoitti 1.12.2025 klo 19.15:
>>> On 12/1/2025 5:02 AM, Mikko wrote:
>>>> olcott kirjoitti 29.11.2025 klo 23.59:
>>>>
>>>> G := (F ⊬ G) // G says of itself that it is unprovable in F
>>>>
>>>> With a reasonable type system that is a type error:
>>>> - the symbol ⊬ requires a sentence on the right side
>>>> - the value of the ⊬ operation is a truth value
>>>> - the symbol := requires the same type on both sides
>>>> - thus G must be both a sentence and a truth value
>>>>
>>>> But G cannot be both. A sentence has a truth value but it isn't one.
>>>>
>>>
>>> % This sentence cannot be proven in F
>>> ?- G = not(provable(F, G)).
>>> G = not(provable(F, G)).
>>> ?- unify_with_occurs_check(G, not(provable(F, G))).
>>> false.
>>>
>>> It is an expression of language having no truth value
>>> because it is not a logic sentence.
>>>
>>> https://en.wikipedia.org/wiki/Sentence_(mathematical_logic)
>>
>> Yes, that is the exxential difference between the two G's.
>> The expession F ⊬ G has a truth value because it is either
>> true or false 
> 
> I propose that is a false assumption.

If you want to propose anygthng like that you should
(a) specify what is the assumption you want to propose as false
(b) why should that assumption be considered false
(c) what assumption would be true or at least less obviously false

-- 
Mikko

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Thread

A new category of thought olcott <polcott333@gmail.com> - 2025-11-29 10:32 -0600
  Re: A new category of thought Kaz Kylheku <046-301-5902@kylheku.com> - 2025-11-29 17:53 +0000
    Re: A new category of thought olcott <polcott333@gmail.com> - 2025-11-29 12:07 -0600
      Re: A new category of thought dbush <dbush.mobile@gmail.com> - 2025-11-29 13:19 -0500
        Re: A new category of thought Tristan Wibberley <tristan.wibberley+netnews2@alumni.manchester.ac.uk> - 2025-12-01 16:55 +0000
          Re: A new category of thought olcott <polcott333@gmail.com> - 2025-12-01 11:04 -0600
        Re: A new category of thought Mikko <mikko.levanto@iki.fi> - 2025-12-02 11:49 +0200
          Re: A new category of thought olcott <polcott333@gmail.com> - 2025-12-02 09:26 -0600
            Re: A new category of thought olcott <polcott333@gmail.com> - 2025-12-04 08:46 -0600
              Re: A new category of thought Mikko <mikko.levanto@iki.fi> - 2025-12-05 10:52 +0200
                Re: A new category of thought olcott <polcott333@gmail.com> - 2025-12-05 11:21 -0600
                Re: A new category of thought André G. Isaak <agisaak@gm.invalid> - 2025-12-05 19:57 -0700
                Re: A new category of thought olcott <polcott333@gmail.com> - 2025-12-05 21:18 -0600
                Re: A new category of thought Mikko <mikko.levanto@iki.fi> - 2025-12-06 11:01 +0200
                Re: A new category of thought olcott <polcott333@gmail.com> - 2025-12-06 06:40 -0600
                Re: A new category of thought Mikko <mikko.levanto@iki.fi> - 2025-12-07 12:47 +0200
                Re: A new category of thought olcott <polcott333@gmail.com> - 2025-12-07 09:16 -0600
                Re: A new category of thought Tristan Wibberley <tristan.wibberley+netnews2@alumni.manchester.ac.uk> - 2025-12-08 02:04 +0000
                Re: A new category of thought olcott <polcott333@gmail.com> - 2025-12-07 21:21 -0600
                Re: A new category of thought Tristan Wibberley <tristan.wibberley+netnews2@alumni.manchester.ac.uk> - 2025-12-08 09:55 +0000
                Re: A new category of thought olcott <polcott333@gmail.com> - 2025-12-08 12:43 -0600
                Re: A new category of thought Richard Damon <Richard@Damon-Family.org> - 2025-12-06 22:16 -0500
                Re: A new category of thought polcott <polcott333@gmail.com> - 2025-12-06 21:50 -0600
                Re: A new category of thought Python <python@cccp.invalid> - 2025-12-07 05:32 +0000
                Re: A new category of thought Mike Terry <news.dead.person.stones@darjeeling.plus.com> - 2025-12-07 15:49 +0000
                Re: A new category of thought olcott <polcott333@gmail.com> - 2025-12-07 11:38 -0600
                Re: A new category of thought Richard Damon <Richard@Damon-Family.org> - 2025-12-07 07:32 -0500
                Re: A new category of thought olcott <polcott333@gmail.com> - 2025-12-07 07:37 -0600
                Re: A new category of thought Richard Damon <Richard@Damon-Family.org> - 2025-12-07 17:55 -0500
                Re: A new category of thought polcott <polcott333@gmail.com> - 2025-12-07 17:15 -0600
                Re: A new category of thought Richard Damon <Richard@Damon-Family.org> - 2025-12-07 21:50 -0500
                Re: A new category of thought olcott <polcott333@gmail.com> - 2025-12-07 21:26 -0600
                Re: A new category of thought Richard Damon <Richard@Damon-Family.org> - 2025-12-08 07:40 -0500
                Re: A new category of thought olcott <polcott333@gmail.com> - 2025-12-08 12:47 -0600
                Re: A new category of thought Richard Damon <Richard@Damon-Family.org> - 2025-12-08 19:18 -0500
                Re: A new category of thought polcott <polcott333@gmail.com> - 2025-12-08 19:00 -0600
                Re: A new category of thought Richard Damon <Richard@Damon-Family.org> - 2025-12-08 21:24 -0500
                Key new insight into halting undecidability polcott <polcott333@gmail.com> - 2025-12-08 20:34 -0600
                Re: Key new insight into halting undecidability Richard Damon <Richard@Damon-Family.org> - 2025-12-08 21:57 -0500
                Re: Key new insight into halting undecidability polcott <polcott333@gmail.com> - 2025-12-08 21:16 -0600
                Re: Key new insight into halting undecidability Richard Damon <Richard@Damon-Family.org> - 2025-12-08 22:22 -0500
                Re: Key new insight into halting undecidability polcott <polcott333@gmail.com> - 2025-12-08 21:50 -0600
                Re: Key new insight into halting undecidability Richard Damon <Richard@Damon-Family.org> - 2025-12-08 23:20 -0500
                Re: Key new insight into halting undecidability polcott <polcott333@gmail.com> - 2025-12-08 22:30 -0600
                Re: Key new insight into halting undecidability Richard Damon <Richard@Damon-Family.org> - 2025-12-09 07:42 -0500
                Re: Key new insight into halting undecidability polcott <polcott333@gmail.com> - 2025-12-09 10:05 -0600
                Re: Key new insight into halting undecidability Richard Damon <Richard@Damon-Family.org> - 2025-12-09 23:02 -0500
                Re: A new category of thought Tristan Wibberley <tristan.wibberley+netnews2@alumni.manchester.ac.uk> - 2025-12-08 02:14 +0000
                Re: A new category of thought olcott <polcott333@gmail.com> - 2025-12-07 21:21 -0600
                Re: A new category of thought Tristan Wibberley <tristan.wibberley+netnews2@alumni.manchester.ac.uk> - 2025-12-08 07:07 +0000
                Re: A new category of thought olcott <polcott333@gmail.com> - 2025-12-08 10:41 -0600
                Re: A new category of thought Python <python@cccp.invalid> - 2025-12-08 19:39 +0000
            Re: A new category of thought Mikko <mikko.levanto@iki.fi> - 2025-12-05 10:57 +0200
              Re: A new category of thought olcott <polcott333@gmail.com> - 2025-12-05 11:30 -0600
                Re: A new category of thought Mikko <mikko.levanto@iki.fi> - 2025-12-06 10:53 +0200
                Re: A new category of thought olcott <polcott333@gmail.com> - 2025-12-06 06:33 -0600
                Re: A new category of thought Mikko <mikko.levanto@iki.fi> - 2025-12-07 12:42 +0200
                Re: A new category of thought olcott <polcott333@gmail.com> - 2025-12-07 09:03 -0600
                Re: A new category of thought Tristan Wibberley <tristan.wibberley+netnews2@alumni.manchester.ac.uk> - 2025-12-08 06:12 +0000
                Re: A new category of thought olcott <polcott333@gmail.com> - 2025-12-08 07:59 -0600
                Re: A new category of thought olcott <polcott333@gmail.com> - 2025-12-08 10:18 -0600
      Re: A new category of thought Kaz Kylheku <046-301-5902@kylheku.com> - 2025-11-29 20:23 +0000
        Re: A new category of thought olcott <polcott333@gmail.com> - 2025-11-29 14:51 -0600
          Re: A new category of thought Richard Damon <Richard@Damon-Family.org> - 2025-11-29 16:27 -0500
            Re: A new category of thought "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2025-11-29 15:53 -0800
              Re: A new category of thought Richard Damon <Richard@Damon-Family.org> - 2025-11-29 19:17 -0500
                Re: A new category of thought "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2025-11-29 16:35 -0800
                Re: A new category of thought Richard Damon <Richard@Damon-Family.org> - 2025-11-29 20:10 -0500
                Re: A new category of thought "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2025-11-29 19:49 -0800
                Re: A new category of thought "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2025-11-29 19:50 -0800
                Re: A new category of thought Tristan Wibberley <tristan.wibberley+netnews2@alumni.manchester.ac.uk> - 2025-12-02 01:59 +0000
                Re: A new category of thought Richard Damon <Richard@Damon-Family.org> - 2025-12-01 23:11 -0500
          Re: A new category of thought Kaz Kylheku <046-301-5902@kylheku.com> - 2025-11-29 21:39 +0000
            Re: A new category of thought olcott <polcott333@gmail.com> - 2025-11-29 15:59 -0600
              Re: A new category of thought Kaz Kylheku <046-301-5902@kylheku.com> - 2025-11-29 22:44 +0000
                Re: A new category of thought olcott <polcott333@gmail.com> - 2025-11-29 17:19 -0600
                Re: A new category of thought Richard Damon <Richard@Damon-Family.org> - 2025-11-29 19:21 -0500
                Re: A new category of thought Tristan Wibberley <tristan.wibberley+netnews2@alumni.manchester.ac.uk> - 2025-12-02 01:13 +0000
                Re: A new category of thought olcott <polcott333@gmail.com> - 2025-12-01 19:50 -0600
              Re: A new category of thought Mikko <mikko.levanto@iki.fi> - 2025-12-01 13:02 +0200
                Re: A new category of thought olcott <polcott333@gmail.com> - 2025-12-01 11:15 -0600
                Re: A new category of thought Mikko <mikko.levanto@iki.fi> - 2025-12-02 10:53 +0200
                Re: A new category of thought olcott <polcott333@gmail.com> - 2025-12-02 08:00 -0600
                Re: A new category of thought Mikko <mikko.levanto@iki.fi> - 2025-12-03 12:41 +0200
                Re: A new category of thought olcott <polcott333@gmail.com> - 2025-12-03 09:59 -0600
                Re: A new category of thought Mikko <mikko.levanto@iki.fi> - 2025-12-05 10:48 +0200
                Re: A new category of thought Tristan Wibberley <tristan.wibberley+netnews2@alumni.manchester.ac.uk> - 2025-12-05 09:30 +0000
                Re: A new category of thought olcott <polcott333@gmail.com> - 2025-12-05 10:41 -0600
                Re: A new category of thought Mikko <mikko.levanto@iki.fi> - 2025-12-06 10:37 +0200
                Re: A new category of thought olcott <polcott333@gmail.com> - 2025-12-06 06:24 -0600
                Re: A new category of thought Mikko <mikko.levanto@iki.fi> - 2025-12-07 12:39 +0200
                Re: A new category of thought olcott <polcott333@gmail.com> - 2025-12-07 08:59 -0600
                Re: A new category of thought Mikko <mikko.levanto@iki.fi> - 2025-12-09 15:15 +0200
                Re: A new category of thought polcott <polcott333@gmail.com> - 2025-12-09 12:04 -0600
                Re: A new category of thought Mikko <mikko.levanto@iki.fi> - 2025-12-14 13:02 +0200
                Re: A new category of thought Tristan Wibberley <tristan.wibberley+netnews2@alumni.manchester.ac.uk> - 2025-12-02 01:39 +0000
                Re: A new category of thought olcott <polcott333@gmail.com> - 2025-12-01 20:01 -0600
          Re: A new category of thought Tristan Wibberley <tristan.wibberley+netnews2@alumni.manchester.ac.uk> - 2025-12-01 17:37 +0000
            Re: A new category of thought olcott <polcott333@gmail.com> - 2025-12-01 13:44 -0600
  Re: A new category of thought Richard Damon <Richard@Damon-Family.org> - 2025-11-29 15:08 -0500

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