Changes by: Yegor Bryukhov (ybryukhov at gmail.com)
Date: 2008-07-16 14:09:40 -0700 (Wed, 16 Jul 2008)
Revision: 13132
Log message:

      added NegRight.
     todo: finish multi-modal support.

Changes  Path(relative to metaprl/theories/s4lp)
+23 -0 hilbert_internal.ml
+1 -0 hilbert_internal.mli
+33 -0 hilbert_logic.ml