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Re: Olcott's big correction to symbolic logic

From Mikko <mikko.levanto@iki.fi>
Newsgroups sci.logic, comp.theory, sci.math, comp.ai.philosophy
Subject Re: Olcott's big correction to symbolic logic
Followup-To sci.logic
Date 2026-07-09 10:34 +0300
Organization A noiseless patient Spider
Message-ID <112nitk$7g8t$1@dont-email.me> (permalink)
References <112ggq7$22r02$1@dont-email.me> <112ktv6$3e1en$1@dont-email.me> <112mbq8$3tgh9$1@dont-email.me>

Cross-posted to 4 groups.

Followups directed to: sci.logic

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On 08/07/2026 23:26, olcott wrote:
> On 7/8/2026 2:24 AM, Mikko wrote:
>> On 06/07/2026 18:15, olcott wrote:
>>
>>> P ⊢ Q where the rules of inference are only
>>> semantic entailment specified syntactically.
>>>
>>> Validity and Soundness
>>> A deductive argument is said to be valid if and only
>>> if it takes a form that makes it impossible for the
>>> premises to be true and the conclusion nevertheless
>>> to be false. https://iep.utm.edu/val-snd/
>>>
>>> Is corrected to mean
>>> A deductive argument is said to be valid if and only
>>> if it takes a form that the conclusion is semantically
>>> entailed by its premises.
>>>
>>> We do not use model theory to do this we use proof
>>> theoretic semantics.
> 
>> What does "semantic entailment" mean when model theory
>> is not used?
> 
> P ⊢ Q means syntactic derivation implements semantic
> entailment encoded in syntactically the language.
> This is the only inference steps allowed.

That does not answer the question. It does not specify
what "semantic entailment" means nor what inference
steps are allowed.

> "I drove my car to Walmart"
> entails that my motor vehicle consumed energy.

Not without additional premises that relate driving and car
to consumption and energy.

> It turns out that all HOL and type theory can be
> encoded in Prolog even though it cannot be processed
> in Prolog.
Or C or any language that supports long character strings.

-- 
Mikko

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Olcott's big correction to symbolic logic olcott <polcott333@gmail.com> - 2026-07-06 10:15 -0500
  Re: Olcott's big correction to symbolic logic Mikko <mikko.levanto@iki.fi> - 2026-07-08 10:24 +0300
    Re: Olcott's big correction to symbolic logic olcott <polcott333@gmail.com> - 2026-07-08 15:26 -0500
      Re: Olcott's big correction to symbolic logic Mikko <mikko.levanto@iki.fi> - 2026-07-09 10:34 +0300
        Re: Olcott's big correction to symbolic logic olcott <polcott333@gmail.com> - 2026-07-09 09:36 -0500
          Re: Olcott's big correction to symbolic logic Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-07-09 08:52 -0700
            Re: Olcott's big correction to symbolic logic olcott <polcott333@gmail.com> - 2026-07-09 11:22 -0500
              Re: Olcott's big correction to symbolic logic Alan Mackenzie <acm@muc.de> - 2026-07-09 16:41 +0000
                Re: Olcott's big correction to symbolic logic olcott <polcott333@gmail.com> - 2026-07-09 12:02 -0500
                Re: Olcott's big correction to symbolic logic Alan Mackenzie <acm@muc.de> - 2026-07-09 17:23 +0000
                Re: Olcott's big correction to symbolic logic olcott <polcott333@gmail.com> - 2026-07-09 12:35 -0500
                Re: Olcott's big correction to symbolic logic olcott <polcott333@gmail.com> - 2026-07-09 13:05 -0500
                Re: Olcott's big correction to symbolic logic Alan Mackenzie <acm@muc.de> - 2026-07-09 19:16 +0000
                Re: Olcott's big correction to symbolic logic olcott <polcott333@gmail.com> - 2026-07-09 15:49 -0500
                Re: Olcott's big correction to symbolic logic Alan Mackenzie <acm@muc.de> - 2026-07-10 10:02 +0000
                Utterly replacing ALL symbolic logic with inherently correct reasoning olcott <polcott333@gmail.com> - 2026-07-10 09:12 -0500
                Re: Utterly replacing ALL symbolic logic with inherently correct reasoning Mikko <mikko.levanto@iki.fi> - 2026-07-11 10:35 +0300
                Re: Utterly replacing ALL symbolic logic with inherently correct reasoning olcott <polcott333@gmail.com> - 2026-07-11 19:49 -0500
                Re: Utterly replacing ALL symbolic logic with inherently correct reasoning Mikko <mikko.levanto@iki.fi> - 2026-07-12 11:23 +0300
                Re: Utterly replacing ALL symbolic logic with inherently correct reasoning olcott <polcott333@gmail.com> - 2026-07-12 11:00 -0500
                Re: Utterly replacing ALL symbolic logic with inherently correct reasoning Mikko <mikko.levanto@iki.fi> - 2026-07-13 10:04 +0300
                Re: Utterly replacing ALL symbolic logic with inherently correct reasoning olcott <polcott333@gmail.com> - 2026-07-13 11:19 -0500
                Re: Utterly replacing ALL symbolic logic with inherently correct reasoning dbush <dbush.mobile@gmail.com> - 2026-07-13 15:34 -0400
                Re: Utterly replacing ALL symbolic logic with inherently correct reasoning Mikko <mikko.levanto@iki.fi> - 2026-07-14 10:44 +0300
                Re: Utterly replacing ALL symbolic logic with inherently correct reasoning olcott <polcott333@gmail.com> - 2026-07-14 13:47 -0500
                Re: Utterly replacing ALL symbolic logic with inherently correct reasoning Mikko <mikko.levanto@iki.fi> - 2026-07-15 11:34 +0300
                Re: Utterly replacing ALL symbolic logic with inherently correct reasoning olcott <polcott333@gmail.com> - 2026-07-15 11:11 -0500
                Re: Utterly replacing ALL symbolic logic with inherently correct reasoning Mikko <mikko.levanto@iki.fi> - 2026-07-16 09:33 +0300
              Re: Olcott's big correction to symbolic logic Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-07-09 12:56 -0700
                Re: Olcott's big correction to symbolic logic Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-07-09 13:40 -0700
                Re: Olcott's big correction to symbolic logic olcott <polcott333@gmail.com> - 2026-07-09 16:05 -0500
          Re: Olcott's big correction to symbolic logic André G. Isaak <agisaak@gm.invalid> - 2026-07-09 14:15 -0600
            Re: Olcott's big correction to symbolic logic Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-07-09 13:37 -0700
              Re: Olcott's big correction to symbolic logic olcott <polcott333@gmail.com> - 2026-07-09 16:02 -0500
                Re: Olcott's big correction to symbolic logic Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-07-09 14:04 -0700
                Re: Olcott's big correction to symbolic logic olcott <polcott333@gmail.com> - 2026-07-09 16:08 -0500
                Re: Olcott's big correction to symbolic logic Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-07-09 18:55 -0700
                Re: Olcott's big correction to symbolic logic olcott <polcott333@gmail.com> - 2026-07-09 22:12 -0500
                Re: Olcott's big correction to symbolic logic olcott <polcott333@gmail.com> - 2026-07-10 00:08 -0500
                Re: Olcott's big correction to symbolic logic "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2026-07-10 16:46 -0700
                Re: Olcott's big correction to symbolic logic Alan Mackenzie <acm@muc.de> - 2026-07-09 21:14 +0000
                Re: Olcott's big correction to symbolic logic olcott <polcott333@gmail.com> - 2026-07-09 17:02 -0500
              Re: Olcott's big correction to symbolic logic olcott <polcott333@gmail.com> - 2026-07-10 00:14 -0500
            Re: Olcott's big correction to symbolic logic olcott <polcott333@gmail.com> - 2026-07-09 15:58 -0500
              Re: Olcott's big correction to symbolic logic Mikko <mikko.levanto@iki.fi> - 2026-07-10 10:37 +0300
                Re: Olcott's big correction to symbolic logic olcott <polcott333@gmail.com> - 2026-07-10 08:36 -0500
                Re: Olcott's big correction to symbolic logic André G. Isaak <agisaak@gm.invalid> - 2026-07-10 08:51 -0600
                Olcott's replacement of symbolic logic with correct reasoning olcott <polcott333@gmail.com> - 2026-07-10 10:15 -0500
                Re: Olcott's replacement of symbolic logic with correct reasoning André G. Isaak <agisaak@gm.invalid> - 2026-07-10 09:57 -0600
                Re: Olcott's replacement of symbolic logic with correct reasoning olcott <polcott333@gmail.com> - 2026-07-10 11:09 -0500
                Re: Olcott's replacement of symbolic logic with correct reasoning Alan Mackenzie <acm@muc.de> - 2026-07-10 17:02 +0000
                Re: Olcott's replacement of symbolic logic with correct reasoning olcott <polcott333@gmail.com> - 2026-07-10 12:28 -0500
                Re: Olcott's replacement of symbolic logic with correct reasoning André G. Isaak <agisaak@gm.invalid> - 2026-07-10 12:12 -0600
                Re: Olcott's replacement of symbolic logic with correct reasoning Alan Mackenzie <acm@muc.de> - 2026-07-10 18:27 +0000
                Re: Olcott's replacement of symbolic logic with correct reasoning olcott <polcott333@gmail.com> - 2026-07-10 13:57 -0500
                Re: Olcott's replacement of symbolic logic with correct reasoning André G. Isaak <agisaak@gm.invalid> - 2026-07-10 13:11 -0600
                Re: Olcott's replacement of symbolic logic with correct reasoning olcott <polcott333@gmail.com> - 2026-07-10 14:33 -0500
                Re: Olcott's replacement of symbolic logic with correct reasoning André G. Isaak <agisaak@gm.invalid> - 2026-07-10 14:52 -0600
                Re: Olcott's replacement of symbolic logic with correct reasoning olcott <polcott333@gmail.com> - 2026-07-10 16:17 -0500
                Re: Olcott's replacement of symbolic logic with correct reasoning "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2026-07-10 16:50 -0700
                Re: Olcott's replacement of symbolic logic with correct reasoning olcott <polcott333@gmail.com> - 2026-07-10 13:45 -0500
                Re: Olcott's replacement of symbolic logic with correct reasoning André G. Isaak <agisaak@gm.invalid> - 2026-07-10 11:16 -0600
                Re: Olcott's replacement of symbolic logic with correct reasoning olcott <polcott333@gmail.com> - 2026-07-10 12:36 -0500
                Re: Olcott's replacement of symbolic logic with correct reasoning André G. Isaak <agisaak@gm.invalid> - 2026-07-10 12:06 -0600
                Re: Olcott's replacement of symbolic logic with correct reasoning olcott <polcott333@gmail.com> - 2026-07-10 13:35 -0500
                Re: Olcott's replacement of symbolic logic with correct reasoning André G. Isaak <agisaak@gm.invalid> - 2026-07-10 13:07 -0600
                Re: Olcott's replacement of symbolic logic with correct reasoning olcott <polcott333@gmail.com> - 2026-07-10 14:30 -0500
                Re: Olcott's replacement of symbolic logic with correct reasoning André G. Isaak <agisaak@gm.invalid> - 2026-07-10 14:46 -0600
                Re: Olcott's replacement of symbolic logic with correct reasoning olcott <polcott333@gmail.com> - 2026-07-10 16:09 -0500
                Re: Olcott's replacement of symbolic logic with correct reasoning Alan Mackenzie <acm@muc.de> - 2026-07-10 21:32 +0000
                Re: Olcott's replacement of symbolic logic with correct reasoning olcott <polcott333@gmail.com> - 2026-07-10 16:45 -0500
                Re: Olcott's replacement of symbolic logic with correct reasoning André G. Isaak <agisaak@gm.invalid> - 2026-07-10 16:44 -0600
                Re: Olcott's replacement of symbolic logic with correct reasoning olcott <polcott333@gmail.com> - 2026-07-10 23:59 -0500
                Re: Olcott's replacement of symbolic logic with correct reasoning André G. Isaak <agisaak@gm.invalid> - 2026-07-11 06:33 -0600
                Re: Olcott's replacement of symbolic logic with correct reasoning olcott <polcott333@gmail.com> - 2026-07-11 20:08 -0500
                Re: Olcott's big correction to symbolic logic Mikko <mikko.levanto@iki.fi> - 2026-07-11 10:45 +0300
                Re: Olcott's big correction to symbolic logic olcott <polcott333@gmail.com> - 2026-07-11 19:52 -0500
          Re: Olcott's big correction to symbolic logic Mikko <mikko.levanto@iki.fi> - 2026-07-10 10:52 +0300
            Semantic Entailment --- Principle of compositionality applied to base terms olcott <polcott333@gmail.com> - 2026-07-10 09:05 -0500
              Re: Semantic Entailment --- Principle of compositionality applied to base terms Mikko <mikko.levanto@iki.fi> - 2026-07-11 11:08 +0300
                Re: Semantic Entailment --- Principle of compositionality applied to base term olcott <polcott333@gmail.com> - 2026-07-11 20:00 -0500
                Re: Semantic Entailment --- Principle of compositionality applied to base term Mikko <mikko.levanto@iki.fi> - 2026-07-12 12:15 +0300
                Re: Semantic Entailment --- Principle of compositionality applied to base term olcott <polcott333@gmail.com> - 2026-07-12 11:10 -0500
                Re: Semantic Entailment --- Principle of compositionality applied to base term Mikko <mikko.levanto@iki.fi> - 2026-07-13 10:08 +0300
                Re: Semantic Entailment --- Principle of compositionality applied to base term olcott <polcott333@gmail.com> - 2026-07-13 11:25 -0500
                Re: Semantic Entailment --- Principle of compositionality applied to base term André G. Isaak <agisaak@gm.invalid> - 2026-07-13 11:52 -0600
                Re: Semantic Entailment --- Principle of compositionality applied to base term Tristan Wibberley <tristan.wibberley+netnews2@alumni.manchester.ac.uk> - 2026-07-14 16:49 +0100
                Re: Semantic Entailment --- Principle of compositionality applied to base term olcott <polcott333@gmail.com> - 2026-07-14 12:20 -0500
                Re: Semantic Entailment --- Principle of compositionality applied to base term André G. Isaak <agisaak@gm.invalid> - 2026-07-14 11:27 -0600
                Re: Semantic Entailment --- Principle of compositionality applied to base term olcott <polcott333@gmail.com> - 2026-07-14 13:08 -0500
                Re: Semantic Entailment --- Principle of compositionality applied to base term André G. Isaak <agisaak@gm.invalid> - 2026-07-14 12:27 -0600
                Re: Semantic Entailment --- Principle of compositionality applied to base term olcott <polcott333@gmail.com> - 2026-07-14 14:57 -0500
                Re: Semantic Entailment --- Principle of compositionality applied to base term dbush <dbush.mobile@gmail.com> - 2026-07-14 16:10 -0400
                Re: Semantic Entailment --- Principle of compositionality applied to base term André G. Isaak <agisaak@gm.invalid> - 2026-07-14 14:28 -0600
                Re: Semantic Entailment --- Principle of compositionality applied to base term olcott <polcott333@gmail.com> - 2026-07-14 15:38 -0500
                Re: Semantic Entailment --- Principle of compositionality applied to base term dbush <dbush.mobile@gmail.com> - 2026-07-14 16:51 -0400
                Re: Semantic Entailment --- Principle of compositionality applied to base term olcott <polcott333@gmail.com> - 2026-07-14 16:08 -0500
                Re: Semantic Entailment --- Principle of compositionality applied to base term dbush <dbush.mobile@gmail.com> - 2026-07-14 17:18 -0400
                Re: Semantic Entailment --- Principle of compositionality applied to base term dbush <dbush.mobile@gmail.com> - 2026-07-14 22:02 -0400
                Re: Semantic Entailment --- Principle of compositionality applied to base term André G. Isaak <agisaak@gm.invalid> - 2026-07-14 15:04 -0600
                Re: Semantic Entailment --- Principle of compositionality applied to base term olcott <polcott333@gmail.com> - 2026-07-14 16:11 -0500
                Re: Semantic Entailment --- Principle of compositionality applied to base term André G. Isaak <agisaak@gm.invalid> - 2026-07-14 15:32 -0600
                Re: Semantic Entailment --- Principle of compositionality applied to base term olcott <polcott333@gmail.com> - 2026-07-14 16:35 -0500
                Re: Semantic Entailment --- Principle of compositionality applied to base term André G. Isaak <agisaak@gm.invalid> - 2026-07-14 16:13 -0600
                Re: Semantic Entailment --- Principle of compositionality applied to base term olcott <polcott333@gmail.com> - 2026-07-14 17:20 -0500
                Re: Semantic Entailment --- Principle of compositionality applied to base term André G. Isaak <agisaak@gm.invalid> - 2026-07-14 16:46 -0600
                Re: Semantic Entailment --- Principle of compositionality applied to base term olcott <polcott333@gmail.com> - 2026-07-14 17:56 -0500
                Re: Semantic Entailment --- Principle of compositionality applied to base term André G. Isaak <agisaak@gm.invalid> - 2026-07-14 17:02 -0600
                Re: Semantic Entailment --- Principle of compositionality applied to base term olcott <polcott333@gmail.com> - 2026-07-14 19:33 -0500
                Re: Semantic Entailment --- Principle of compositionality applied to base term André G. Isaak <agisaak@gm.invalid> - 2026-07-14 18:42 -0600
                Re: Semantic Entailment --- Principle of compositionality applied to base term olcott <polcott333@gmail.com> - 2026-07-14 20:23 -0500
                Re: Semantic Entailment --- Principle of compositionality applied to base term André G. Isaak <agisaak@gm.invalid> - 2026-07-14 19:38 -0600
                Re: Semantic Entailment --- Principle of compositionality applied to base term olcott <polcott333@gmail.com> - 2026-07-14 20:56 -0500
                Re: Semantic Entailment --- Principle of compositionality applied to base term André G. Isaak <agisaak@gm.invalid> - 2026-07-14 20:23 -0600
                Re: Semantic Entailment --- Principle of compositionality applied to base term olcott <polcott333@gmail.com> - 2026-07-14 21:38 -0500
                Re: Semantic Entailment --- Principle of compositionality applied to base term dbush <dbush.mobile@gmail.com> - 2026-07-14 15:31 -0400
                Re: Semantic Entailment --- Principle of compositionality applied to base term Tristan Wibberley <tristan.wibberley+netnews2@alumni.manchester.ac.uk> - 2026-07-15 20:38 +0100
                Re: Semantic Entailment --- Principle of compositionality applied to base term olcott <polcott333@gmail.com> - 2026-07-15 15:44 -0500
                Re: Semantic Entailment --- Principle of compositionality applied to base term dbush <dbush.mobile@gmail.com> - 2026-07-15 16:53 -0400
                Re: Semantic Entailment --- Principle of compositionality applied to base term Mikko <mikko.levanto@iki.fi> - 2026-07-14 10:51 +0300
                Re: Semantic Entailment --- Principle of compositionality applied to base term olcott <polcott333@gmail.com> - 2026-07-14 14:09 -0500
                Re: Semantic Entailment --- Principle of compositionality applied to base term Tristan Wibberley <tristan.wibberley+netnews2@alumni.manchester.ac.uk> - 2026-07-14 11:12 +0100
                Re: Semantic Entailment --- Principle of compositionality applied to base term olcott <polcott333@gmail.com> - 2026-07-14 11:50 -0500
              Re: Semantic Entailment --- Principle of compositionality applied to base terms Tristan Wibberley <tristan.wibberley+netnews2@alumni.manchester.ac.uk> - 2026-07-14 16:52 +0100
                Re: Semantic Entailment --- Principle of compositionality applied to base terms olcott <polcott333@gmail.com> - 2026-07-14 12:23 -0500
  Re: Olcott's big correction to symbolic logic Tristan Wibberley <tristan.wibberley+netnews2@alumni.manchester.ac.uk> - 2026-07-14 16:12 +0100
    Re: Olcott's big correction to symbolic logic olcott <polcott333@gmail.com> - 2026-07-14 12:09 -0500
      Re: Olcott's big correction to symbolic logic Mikko <mikko.levanto@iki.fi> - 2026-07-15 12:07 +0300
        Re: Olcott's big correction to symbolic logic olcott <polcott333@gmail.com> - 2026-07-15 11:18 -0500
          Re: Olcott's big correction to symbolic logic Alan Mackenzie <acm@muc.de> - 2026-07-15 19:21 +0000
            Re: Olcott's big correction to symbolic logic olcott <polcott333@gmail.com> - 2026-07-15 15:01 -0500
              Re: Olcott's big correction to symbolic logic Mikko <mikko.levanto@iki.fi> - 2026-07-16 09:52 +0300
              Re: Olcott's big correction to symbolic logic Alan Mackenzie <acm@muc.de> - 2026-07-16 13:54 +0000
          Re: Olcott's big correction to symbolic logic Mikko <mikko.levanto@iki.fi> - 2026-07-16 09:47 +0300

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