Changes by: Aleksey Nogin (nogin at cs.caltech.edu)
Date: 2006-02-13 01:02:22 -0800 (Mon, 13 Feb 2006)
Revision: 8674
Log message:
Using Itt_pairwise, proved stronger elimination rules for the image type (for
the "reversible" case only - where the "transitive closure" does not add any
equalities to the image type).