Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > sci.logic > #347764

Re: Olcott's big correction to symbolic logic

From Mikko <mikko.levanto@iki.fi>
Newsgroups sci.logic, comp.theory, sci.math
Subject Re: Olcott's big correction to symbolic logic
Followup-To sci.logic
Date 2026-07-10 10:52 +0300
Organization A noiseless patient Spider
Message-ID <112q8cb$12fin$1@dont-email.me> (permalink)
References <112ggq7$22r02$1@dont-email.me> <112ktv6$3e1en$1@dont-email.me> <112mbq8$3tgh9$1@dont-email.me> <112nitk$7g8t$1@dont-email.me> <112obl1$f5v1$1@dont-email.me>

Cross-posted to 3 groups.

Followups directed to: sci.logic

Show all headers | View raw

On 09/07/2026 17:36, olcott wrote:
> On 7/9/2026 2:34 AM, Mikko wrote:
>> 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.
> 
> It is the normal meaning of the base words.

There are several normal meanings of "entailment", none of which
is compatible with the adjective "semantic". One normal meaning
is the act of setting an inheritance rule for some property.

> In English it means that the meaning of the words
> of a sentence proves that certain facts are true.

That is not among the normal meanings. The nearest is the entailed
claim is a logical consequence of the entailing one.

-- 
Mikko

Back to sci.logic | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

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 Tristan Wibberley <tristan.wibberley+netnews2@alumni.manchester.ac.uk> - 2026-07-14 16:25 +0100
                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

csiph-web