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Re: Why is model theory needed?

Newsgroups sci.logic
Date 2023-06-08 12:19 -0700
References (15 earlier) <feca315a-4301-4c28-8614-913fb08a253en@googlegroups.com> <32be4ed8-cf48-4ae3-a625-54c8aa0d6b93n@googlegroups.com> <cf605103-0a66-4583-ae23-35849210004en@googlegroups.com> <u5qtmr$11n4v$2@solani.org> <2813591b-edd4-42e6-892f-28d00a02d7dfn@googlegroups.com>
Message-ID <7e59083d-a73b-4942-877e-fb0f85057c7cn@googlegroups.com> (permalink)
Subject Re: Why is model theory needed?
From Mild Shock <bursejan@gmail.com>

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And? What did you write? Was this before your autism?

Jeffrey Rubard schrieb am Donnerstag, 8. Juni 2023 um 21:15:01 UTC+2:
> On Wednesday, June 7, 2023 at 2:43:58 PM UTC-7, Mild Shock wrote: 
> > Interestingly its not all grim in second order logic. Although 
> > full second order logic doesn't have a calculus, there are 
> > some General semantics via Henkin models, that even 
> > 
> > have a calculus. This can be used to justify some proof 
> > assistants that offer more than first order logic. There was 
> > an old SEP article by Herb Enderton, which he kind of wrote
> "Wow, this reads like addled juvenilia I used to write... years ago."

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Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-05-30 15:05 -0700
  Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-05-30 15:14 -0700
    Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-05-30 15:57 -0700
    Re: Why is model theory needed? Dan Christensen <Dan_Christensen@sympatico.ca> - 2023-05-30 18:45 -0700
      Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-05-31 01:42 -0700
        Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-05-31 01:55 -0700
          Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-05-31 02:09 -0700
            Re: Why is model theory needed? Dan Christensen <Dan_Christensen@sympatico.ca> - 2023-05-31 08:21 -0700
              Re: Why is model theory needed? Ross Finlayson <ross.a.finlayson@gmail.com> - 2023-05-31 08:28 -0700
                Re: Why is model theory needed? Dan Christensen <Dan_Christensen@sympatico.ca> - 2023-05-31 08:39 -0700
                Re: Why is model theory needed? Ross Finlayson <ross.a.finlayson@gmail.com> - 2023-05-31 11:50 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-05-31 11:58 -0700
                Re: Why is model theory needed? Dan Christensen <Dan_Christensen@sympatico.ca> - 2023-05-31 13:10 -0700
                Re: Why is model theory needed? Ross Finlayson <ross.a.finlayson@gmail.com> - 2023-05-31 21:12 -0700
                Re: Why is model theory needed? Ross Finlayson <ross.a.finlayson@gmail.com> - 2023-05-31 21:35 -0700
                Re: Why is model theory needed? Ross Finlayson <ross.a.finlayson@gmail.com> - 2023-06-01 11:43 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-01 12:40 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-01 12:54 -0700
                Re: Why is model theory needed? Jeffrey Rubard <jeffreydanielrubard@gmail.com> - 2023-06-01 14:24 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-01 14:55 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-01 15:18 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-03 08:31 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-03 09:10 -0700
                Re: Why is model theory needed? Jeffrey Rubard <rehashedrubard@gmail.com> - 2023-06-02 08:19 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-02 11:20 -0700
                Re: Why is model theory needed? Jeffrey Rubard <rehashedrubard@gmail.com> - 2023-06-03 08:27 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-03 08:31 -0700
                Re: Why is model theory needed? Jeffrey Rubard <rehashedrubard@gmail.com> - 2023-06-03 13:53 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-03 13:57 -0700
                Re: Why is model theory needed? Jeffrey Rubard <rehashedrubard@gmail.com> - 2023-06-03 14:04 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-03 14:13 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-04 07:47 -0700
                Re: Why is model theory needed? Jeffrey Rubard <rehashedrubard@gmail.com> - 2023-06-04 08:26 -0700
                Re: Why is model theory needed? Mild Shock <janburse@fastmail.fm> - 2023-06-04 17:53 +0200
                Re: Why is model theory needed? Jeffrey Rubard <rehashedrubard@gmail.com> - 2023-06-04 15:31 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-04 17:21 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-04 17:30 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-04 17:39 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-04 17:49 -0700
                Re: Why is model theory needed? Jeffrey Rubard <rehashedrubard@gmail.com> - 2023-06-05 08:20 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-05 10:56 -0700
                Re: Why is model theory needed? Jeffrey Rubard <jeffreydanielrubard@gmail.com> - 2023-06-05 13:16 -0700
                Re: Why is model theory needed? Jeffrey Rubard <jeffreydanielrubard@gmail.com> - 2023-06-05 13:17 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-05 15:10 -0700
                Re: Why is model theory needed? Ross Finlayson <ross.a.finlayson@gmail.com> - 2023-06-05 14:07 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-05 15:09 -0700
                Re: Why is model theory needed? Ross Finlayson <ross.a.finlayson@gmail.com> - 2023-06-05 17:51 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-05 22:54 -0700
                Re: Why is model theory needed? Jeffrey Rubard <jeffreydanielrubard@gmail.com> - 2023-06-06 18:44 -0700
                Re: Why is model theory needed? Ross Finlayson <ross.a.finlayson@gmail.com> - 2023-06-06 21:02 -0700
                Re: Why is model theory needed? Jeffrey Rubard <jeffreydanielrubard@gmail.com> - 2023-06-07 11:42 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-07 13:48 -0700
                Re: Why is model theory needed? Mild Shock <janburse@fastmail.fm> - 2023-06-07 23:43 +0200
                Re: Why is model theory needed? Jeffrey Rubard <jeffreydanielrubard@gmail.com> - 2023-06-08 12:14 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-08 12:19 -0700
                Re: Why is model theory needed? Jeffrey Rubard <jeffreydanielrubard@gmail.com> - 2023-06-09 10:54 -0700
                Re: Why is model theory needed? Jeffrey Rubard <jeffreydanielrubard@gmail.com> - 2023-06-09 10:54 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-09 11:35 -0700
                Re: Why is model theory needed? Jeffrey Rubard <rehashedrubard@gmail.com> - 2023-06-09 11:53 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-09 11:58 -0700
                Re: Why is model theory needed? Jeffrey Rubard <jeffreydanielrubard@gmail.com> - 2023-06-09 15:27 -0700
                Re: Why is model theory needed? Jeffrey Rubard <rehashedrubard@gmail.com> - 2023-06-09 11:59 -0700
                Re: Why is model theory needed? Jeffrey Rubard <jeffreydanielrubard@gmail.com> - 2023-06-09 15:27 -0700
                Re: Why is model theory needed? Jeffrey Rubard <jeffreydanielrubard@gmail.com> - 2023-06-06 18:43 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-09 05:18 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-09 05:20 -0700
                Re: Why is model theory needed? Jeffrey Rubard <jeffreydanielrubard@gmail.com> - 2023-06-09 10:53 -0700
                Re: Why is model theory needed? Mild Shock <janburse@fastmail.fm> - 2023-06-09 21:28 +0200
                Re: Why is model theory needed? Jeffrey Rubard <jeffreydanielrubard@gmail.com> - 2023-06-09 15:27 -0700
                Re: Why is model theory needed? Jeffrey Rubard <jeffreydanielrubard@gmail.com> - 2023-06-09 15:28 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-09 15:45 -0700
                Re: Why is model theory needed? Jeffrey Rubard <jeffreydanielrubard@gmail.com> - 2023-06-09 15:51 -0700
                Re: Why is model theory needed? Jeffrey Rubard <jeffreydanielrubard@gmail.com> - 2023-06-09 15:51 -0700
                Re: Why is model theory needed? Jeffrey Rubard <rehashedrubard@gmail.com> - 2023-06-09 15:57 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-09 16:03 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-09 16:09 -0700
                Re: Why is model theory needed? Jeffrey Rubard <rehashedrubard@gmail.com> - 2023-06-09 16:19 -0700
                Re: Why is model theory needed? Jeffrey Rubard <rehashedrubard@gmail.com> - 2023-06-09 16:20 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-09 16:21 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-09 16:28 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-09 16:28 -0700
                Re: Why is model theory needed? Jeffrey Rubard <rehashedrubard@gmail.com> - 2023-06-10 08:25 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-10 09:08 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-10 09:13 -0700
                Re: Why is model theory needed? Jeffrey Rubard <jeffreydanielrubard@gmail.com> - 2023-06-10 12:52 -0700
                Re: Why is model theory needed? Jeffrey Rubard <jeffreydanielrubard@gmail.com> - 2023-06-10 13:21 -0700
                Re: Why is model theory needed? Jeffrey Rubard <rehashedrubard@gmail.com> - 2023-06-11 08:25 -0700
                Re: Why is model theory needed? Jeffrey Rubard <rehashedrubard@gmail.com> - 2023-06-11 08:44 -0700
                Re: Why is model theory needed? Jeffrey Rubard <rehashedrubard@gmail.com> - 2023-06-11 09:06 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-11 10:55 -0700
                Re: Why is model theory needed? Ross Finlayson <ross.a.finlayson@gmail.com> - 2023-06-11 11:54 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-11 13:12 -0700
                Re: Why is model theory needed? Ross Finlayson <ross.a.finlayson@gmail.com> - 2023-06-11 13:59 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-11 15:26 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-11 15:31 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-11 15:34 -0700
                Re: Why is model theory needed? Jeffrey Rubard <rehashedrubard@gmail.com> - 2023-06-12 08:31 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-12 08:39 -0700
                Re: Why is model theory needed? Jeffrey Rubard <theleasthappyfella@gmail.com> - 2023-06-12 08:56 -0700
                Re: Why is model theory needed? Ross Finlayson <ross.a.finlayson@gmail.com> - 2023-06-12 09:00 -0700
                Re: Why is model theory needed? Jeffrey Rubard <theleasthappyfella@gmail.com> - 2023-06-12 09:07 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-12 09:22 -0700
                Re: Why is model theory needed? Jeffrey Rubard <theleasthappyfella@gmail.com> - 2023-06-12 13:30 -0700
                Re: Why is model theory needed? Ross Finlayson <ross.a.finlayson@gmail.com> - 2023-06-12 09:37 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-12 09:50 -0700
                Re: Why is model theory needed? Ross Finlayson <ross.a.finlayson@gmail.com> - 2023-06-12 10:13 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-12 10:27 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-12 10:35 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-12 10:40 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-12 10:48 -0700
                Re: Why is model theory needed? Jeffrey Rubard <theleasthappyfella@gmail.com> - 2023-06-12 13:29 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-12 16:07 -0700
                Re: Why is model theory needed? Jeffrey Rubard <theleasthappyfella@gmail.com> - 2023-06-13 08:31 -0700
                Re: Why is model theory needed? Jeffrey Rubard <theleasthappyfella@gmail.com> - 2023-06-13 13:07 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-14 03:19 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-14 03:21 -0700
                Re: Why is model theory needed? Jeffrey Rubard <theleasthappyfella@gmail.com> - 2023-06-14 12:42 -0700
                Re: Why is model theory needed? Jeffrey Rubard <rehashedrubard@gmail.com> - 2023-06-14 13:50 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-15 08:22 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-15 08:32 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-15 08:35 -0700
                Re: Why is model theory needed? Jeffrey Rubard <rehashedrubard@gmail.com> - 2023-06-15 08:37 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-15 08:46 -0700
                Re: Why is model theory needed? Jeffrey Rubard <jeffreydanielrubard@gmail.com> - 2023-06-15 14:27 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-15 14:42 -0700
                Re: Why is model theory needed? Jeffrey Rubard <jeffreydanielrubard@gmail.com> - 2023-06-15 14:56 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-16 02:31 -0700
                Re: Why is model theory needed? Jeffrey Rubard <theleasthappyfella@gmail.com> - 2023-06-16 08:24 -0700
                Re: Why is model theory needed? Jeffrey Rubard <jeffreydanielrubard@gmail.com> - 2023-06-16 10:54 -0700
                Re: Why is model theory needed? Jeffrey Rubard <theleasthappyfella@gmail.com> - 2023-06-17 08:19 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-17 08:23 -0700
                Re: Why is model theory needed? Jeffrey Rubard <jeffreydanielrubard@gmail.com> - 2023-06-17 13:44 -0700
                Re: Why is model theory needed? Jeffrey Rubard <jeffreydanielrubard@gmail.com> - 2023-06-17 13:45 -0700
                Re: Why is model theory needed? Jeffrey Rubard <rehashedrubard@gmail.com> - 2023-06-18 08:23 -0700
                Re: Why is model theory needed? Jeffrey Rubard <rehashedrubard@gmail.com> - 2023-06-18 08:41 -0700
                Re: Why is model theory needed? Jeffrey Rubard <jeffreydanielrubard@gmail.com> - 2023-06-18 15:49 -0700
                Re: Why is model theory needed? Jeffrey Rubard <rehashedrubard@gmail.com> - 2023-06-15 08:36 -0700
                Re: Why is model theory needed? Jeffrey Rubard <theleasthappyfella@gmail.com> - 2023-06-12 13:30 -0700
                Re: Why is model theory needed? Jeffrey Rubard <theleasthappyfella@gmail.com> - 2023-06-12 13:31 -0700
                Re: Why is model theory needed? Ross Finlayson <ross.a.finlayson@gmail.com> - 2023-06-12 14:27 -0700
                Re: Why is model theory needed? Jeffrey Rubard <jeffreydanielrubard@gmail.com> - 2023-06-12 14:31 -0700
                Re: Why is model theory needed? Jeffrey Rubard <jeffreydanielrubard@gmail.com> - 2023-06-12 14:33 -0700
                Re: Why is model theory needed? Ross Finlayson <ross.a.finlayson@gmail.com> - 2023-06-12 18:46 -0700
                Re: Why is model theory needed? Jeffrey Rubard <rehashedrubard@gmail.com> - 2023-06-12 08:31 -0700
                Re: Why is model theory needed? Jeffrey Rubard <rehashedrubard@gmail.com> - 2023-06-12 08:30 -0700
                Re: Why is model theory needed? Jeffrey Rubard <jeffreydanielrubard@gmail.com> - 2023-06-10 12:51 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-10 15:13 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-10 15:19 -0700
                Re: Why is model theory needed? Jeffrey Rubard <rehashedrubard@gmail.com> - 2023-06-11 08:25 -0700
                Re: Why is model theory needed? Jeffrey Rubard <rehashedrubard@gmail.com> - 2023-06-10 08:24 -0700
              Re: Why is model theory needed? Ross Finlayson <ross.a.finlayson@gmail.com> - 2023-05-31 13:05 -0700
        Re: Why is model theory needed? Dan Christensen <Dan_Christensen@sympatico.ca> - 2023-05-31 08:15 -0700
          Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-05-31 11:41 -0700
            Re: Why is model theory needed? Ross Finlayson <ross.a.finlayson@gmail.com> - 2023-05-31 11:48 -0700
            Re: Why is model theory needed? Dan Christensen <Dan_Christensen@sympatico.ca> - 2023-05-31 12:52 -0700
              Re: Why is model theory needed? Ross Finlayson <ross.a.finlayson@gmail.com> - 2023-05-31 13:06 -0700
                Re: Why is model theory needed? Dan Christensen <Dan_Christensen@sympatico.ca> - 2023-05-31 13:28 -0700
                Re: Why is model theory needed? Ross Finlayson <ross.a.finlayson@gmail.com> - 2023-05-31 18:53 -0700
              Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-05-31 13:18 -0700
                Re: Why is model theory needed? Dan Christensen <Dan_Christensen@sympatico.ca> - 2023-05-31 13:53 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-05-31 13:58 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-05-31 14:06 -0700
                Re: Why is model theory needed? Jeffrey Rubard <jeffreydanielrubard@gmail.com> - 2023-05-31 14:08 -0700
                Re: Why is model theory needed? Dan Christensen <Dan_Christensen@sympatico.ca> - 2023-05-31 15:57 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-05-31 16:46 -0700
                Re: Why is model theory needed? Dan Christensen <Dan_Christensen@sympatico.ca> - 2023-05-31 17:31 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-01 02:48 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-01 03:02 -0700
                Re: Why is model theory needed? Ross Finlayson <ross.a.finlayson@gmail.com> - 2023-06-01 08:19 -0700
                Re: Why is model theory needed? Jeffrey Rubard <rehashedrubard@gmail.com> - 2023-06-01 08:42 -0700
                Re: Why is model theory needed? Dan Christensen <Dan_Christensen@sympatico.ca> - 2023-06-01 07:07 -0700
                Re: Why is model theory needed? Dan Christensen <Dan_Christensen@sympatico.ca> - 2023-06-01 11:03 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-01 11:08 -0700
                Re: Why is model theory needed? Mild Shock <bursejan@gmail.com> - 2023-06-01 11:14 -0700

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