New exception considered.

[helm.git] / helm / software / matita / dist / ChangeLog

diff --git a/helm/software/matita/dist/ChangeLog b/helm/software/matita/dist/ChangeLog
index 264ba1edeb300f6e44e652f25d9c6bc37678aaf9..110e101a781499bfeee1593b66a571186a1fb039 100644 (file)
--- a/helm/software/matita/dist/ChangeLog
+++ b/helm/software/matita/dist/ChangeLog
@@ -1,6 +1,18 @@
-0.5.5  - _/11/2008 - bugfix release    
+0.5.6 - 1/12/2008 - bugfix release
+       * more abstract disambiguation algorithm, simpler instantiation
+         to a different CIC/refiner
+       * natural deduction support improved in the first order case
+       * natural deduction lem rule does now support lemmas 
+         with (up to) 3 premises (multicut rule, displayed as
+         a collapsed tree)
+
+0.5.5  - 17/11/2008 - bugfix release with students in mind     
        * by ... we proved fixed to use only the specified lemmas but
          using full unification inside auto.
+       * new apply rule tactic, that exploits the goal type to
+         disambiguate the input term.
+       * new didactic/ library directory, with support for natural deduction
+         treese.
 
 0.5.4  - 19/10/2008 - bugfix release   
        * When a file is opened, the cursor is placed at the begin of the