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Re: [ontolog-forum] formal systems, common logic and lbase

To: "[ontolog-forum]" <ontolog-forum@xxxxxxxxxxxxxxxx>
From: Christopher Menzel <cmenzel@xxxxxxxx>
Date: Tue, 20 Nov 2007 14:33:47 -0600
Message-id: <3972C786-60EC-4550-95C2-99EB14590DF2@xxxxxxxx>
> Given the current structure of CL & LBase, I believe proposition a) is
> where CL & LBase are now: a natural language description of the
> constraints to which the axioms of an open ended schematic system  
> would
> adhere. Proposition b) presumes that we structure a logical environemt
> as illustrated below.
>
>               Logical Environment
>                       |
>       -----------------------------------------
>       |       |               |               |
> Languages    Logics        Models         Theories
>                                                 |
>                                       -----------------
>                                         |                |
>                                    Axiomatic    Natural Language
>                                                        |
>                                               -------------------
>                                               |                  |
>                                               LBASE         Common  
> Logic
>
> I believe Feferman's open ended schematic system implies proposition  
> b)
> and the evolution of formal systems towards logical environments.    (01)

What relation are the arcs in the above graph supposed to represent?   
I frankly can't think of any intuitive relation such that CL and LBase  
bear it to Natural Language and, derivatively, to Theories, but not to  
Logics.  For one thing, CL isn't a theory.  However, it is (well,  
better, perhaps, "encompasses") first-order logic.    (02)

Could you explain the intended meaning of this graph?    (03)

-chris    (04)


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