Changes by: Xin Yu (xiny at cs.caltech.edu)
Date: 2004-01-14 13:39:29 -0800 (Wed, 14 Jan 2004)
Revision: 5251
Log message:

      Fixed a broken proof step caused by the removal of Itt_group!isCommutative_wf.
      

Changes  Path
+149 -177 metaprl/theories/itt/itt_field.prla
+6 -3 metaprl/theories/itt/itt_group.ml
+4292 -4317 metaprl/theories/itt/itt_group.prla
+1 -1 metaprl/theories/itt/itt_grouplikeobj.ml
+1 -1 metaprl/theories/itt/itt_grouplikeobj.prla