Changes by: Yegor Bryukhov (ybryukhov at gmail.com)
Date: 2008-12-18 13:15:52 -0800 (Thu, 18 Dec 2008)
Revision: 13175
Log message:

      fixed a couple of minor bugs in some Gilbert-style proof steps

Changes  Path(relative to metaprl/theories/s4lp)
+33 -13 hilbert_internal.ml
+1 -0 hilbert_internal.mli
+8 -5 hilbert_logic.ml