XPost: comp.theory, sci.logic, sci.math   
   From: tristan.wibberley+netnews2@alumni.manchester.ac.uk   
      
   On 15/01/2026 03:51, Richard Damon wrote:   
   > On 1/14/26 8:25 PM, olcott wrote:   
      
   >> By operational semantics I mean the standard proof‑theoretic   
   >> account of program meaning, where execution judgments are   
   >> given by inference rules and termination corresponds to the   
   >> existence of a finite derivation.   
   >   
   > Which is just incorrect. Since infinite derivation has meaning in the   
   > field.   
      
   but you can't give an example of an infinite derivation that isn't also   
   finite.   
      
      
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   Tristan Wibberley   
      
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