...

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

diff --git a/helm/software/matita/dist/ChangeLog b/helm/software/matita/dist/ChangeLog
index 89ba67d7872138383ee52be9e3523c57b9c37db8..8a1ea5ce78c6a0f32d1c68517c475bb0d3ad780f 100644 (file)
--- a/helm/software/matita/dist/ChangeLog
+++ b/helm/software/matita/dist/ChangeLog
@@ -1,4 +1,16 @@
-0.5.7 - .../01/2009 - Pàdoa release
+0.5.7 - 15/02/2009 - Pàdoa release
+       * are_convertible bug solved, arguments of application where 
+         compared allowing cumulativity. This allowed to prove Type0=Type1.
+       * cases tactic speedup in the simplest case of an inductive type 
+         hose right parameters have all to be abstracted when the outtype is
+         built
+       * maction support added to output notation (adopted for "=" that 
+         expands to "= \sub T" to show the equality type)
+       * generation of derived lemmas rewritten to be based on hooks that
+         are triggered every definition
+       * composition of coercions fixed, more composite are generated
+       * undo mechanism for coercions remade, should work better
+       * new command "prefer coercion foo" to reorder coercions.
        * UTF-8 eq classes and virtuals described in the manual and
          consistently printed in the TeX/UTF-8 table
        * added a memory system for UTF-8 equivalence classes, so that