Changes by: Aleksey Nogin (nogin at cs.caltech.edu)
Date: 2005-12-22 20:54:09 -0800 (Thu, 22 Dec 2005)
Revision: 8348
Log message:

      Trying to get arithT/omegaT to work better with hypotheses of the form << 'n
      in nat >> and << 'm = 'n in nat >>.