X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fmatita%2Fdist%2FChangeLog;h=110e101a781499bfeee1593b66a571186a1fb039;hb=ff52cc33b36594d156f8c7d4351ffe0a34730b62;hp=3fe53afa60cdc71b6f855126738a04ed8532d67d;hpb=75de1f4c87166f120d8bb42d98926adaf407c98c;p=helm.git

diff --git a/helm/software/matita/dist/ChangeLog b/helm/software/matita/dist/ChangeLog
index 3fe53afa6..110e101a7 100644
--- a/helm/software/matita/dist/ChangeLog
+++ b/helm/software/matita/dist/ChangeLog
@@ -1,4 +1,22 @@
-0.5.v  - dd/mm/yyy - 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
+	  buffer and not atthe end as before
 	* New macro eval
 	* More code in the direction of a fully functional matita status, that
 	  improved undo reliability in the parser/notation modules