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   sci.logic      Logic -- math, philosophy & computationa      262,912 messages   

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   Message 262,596 of 262,912   
   Mikko to olcott   
   Re: Proof Theoretic Semantics Blocks Pat   
   18 Jan 26 11:51:43   
   
   XPost: comp.theory, sci.math, comp.ai.philosophy   
   XPost: comp.lang.prolog   
   From: mikko.levanto@iki.fi   
      
   On 17/01/2026 17:53, olcott wrote:   
   > On 1/17/2026 3:22 AM, Mikko wrote:   
   >> On 16/01/2026 19:47, olcott wrote:   
   >>   
   >>> The system uses proof-theoretic semantics, where the   
   >>> meaning of a statement is determined entirely by its   
   >>> inferential role within a theory. A theory T consists   
   >>> of a finite set of basic statements together with   
   >>> everything that can be derived from them using the   
   >>> inference rules. The statements derivable in this   
   >>> way are the theorems of T. A statement is true in   
   >>> T exactly when T proves it.   
   >>   
   >> Usually the expression "is a theorem of T" is used instead of "is true   
   >> in T". THe words "true" and "false" are usually reserved for truth in   
   >> a particular interpretation.   
   >   
   > That is what I changed. That is how Incompleteness arises.   
      
   No, it isn't. Changing words does not change the things the words   
   refer to. It may be useful for deception by equivocation but does   
   not serve any other useful purpose.   
      
   --   
   Mikko   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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