From: mikko.levanto@iki.fi   
      
   On 2025-10-05 20:01:50 +0000, J. J. Lodder said:   
      
   > Mikko  wrote:   
   >   
   >> On 2025-10-04 18:42:49 +0000, kinak said:   
   >>   
   >>> Curved space has got to be wrong.   
   >>> Where are the corners?   
   >>   
   >> It can be proven that if there is an uncurved space of at least   
   >> three dimensions it contains surved subspaces that have no corners.   
   >   
   > Why three?   
   > Circles in the Euclidean plane don't qualify?   
      
   Circles don't have intrinsic curvature, which is the usual meaning   
   of "curved" as a property of space.   
      
   --   
   Mikko   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)