NEWS
changeset 44908 f05bff62f8a6
parent 44907 93943da0a010
child 44914 f0fd38929d21
--- a/NEWS	Mon Sep 12 11:54:20 2011 -0700
+++ b/NEWS	Mon Sep 12 13:19:10 2011 -0700
@@ -98,6 +98,9 @@
 product type 'a * 'b, and provides instance proofs for various order
 and lattice type classes.
 
+* Theory Library/Countable now provides the "countable_datatype" proof
+method for proving "countable" class instances for datatypes.
+
 * Classes bot and top require underlying partial order rather than
 preorder: uniqueness of bot and top is guaranteed.  INCOMPATIBILITY.
 
@@ -424,6 +427,10 @@
   Now it is defined on the type class {topological_space, comm_monoid_add}.
   Hence it is useable also for extended real numbers.
 
+* Theory Complex_Main: The complex exponential function "expi" is now
+a type-constrained abbreviation for "exp :: complex => complex"; thus
+several polymorphic lemmas about "exp" are now applicable to "expi".
+
 
 *** Document preparation ***