From: jm@bourguet.org   
      
   George Neuner  writes:   
      
   > [I think you mean they're not associative.  I don't know any situations   
   > where a+b != b+a, but lots where a+(b+c) != (a+b)+c -John]   
      
   You forgot about NaN ;-) (but I agree associative was probably intended).   
      
   Yours,   
   --   
   Jean-Marc   
   [How are NaNs not commutative? -John]   
      
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    * Origin: you cannot sedate... all the things you hate (1:229/2)