XPost: comp.theory, sci.math, comp.theory   
   From: rjh@cpax.org.uk   
      
   On 15/12/2025 10:08, Mikko wrote:   
   > On 15/12/2025 11:14, Richard Heathfield wrote:   
      
      
      
   >> Halt deciders are ten a penny.   
   >>   
   >> This one, for example, works 99% of the time, +/-:   
   >>   
   >> int halts(char *prgfilename, void *input)   
   >> {   
   >>    return 1;   
   >> }   
   >>   
   >> If you meant to claim that there are no *universal* halt   
   >> deciders, then of course I agree.   
   >   
   > The usual meaning of "halt decider" and "halting decider" is that   
   > it answers correctly every time.   
      
   Okay, but in a group where a persistent crank is constantly   
   trying to blur the meaning of "halt decider", being excessively   
   precise may be no bad thing.   
      
   --   
   Richard Heathfield   
   Email: rjh at cpax dot org dot uk   
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    * Origin: you cannot sedate... all the things you hate (1:229/2)