Changes by: Xin Yu (xiny at cs.caltech.edu)
Date: 2005-02-16 18:03:53 -0800 (Wed, 16 Feb 2005)
Revision: 6697
Log message:

      strengthened the subst rules
      

Changes	Path
+4 -0	metaprl/theories/itt/itt_synt_bterm.ml
+15 -20	metaprl/theories/itt/itt_synt_subst.ml