Changes by: Aleksey Nogin (nogin at cs.caltech.edu)
Date: 2004-10-01 18:04:50 -0700 (Fri, 01 Oct 2004)
Revision: 6211
Log message:

      Proved couple more induction principles (with Xin's help).
      

Changes	Path
+12 -10	metaprl/theories/itt/itt_nat.ml
+2498 -1960	metaprl/theories/itt/itt_nat.prla
+1373 -1491	metaprl/theories/itt/itt_poly.prla