NEWS
changeset 15454 4b339d3907a0
parent 15436 d059da8434a5
child 15475 fdf9434b04ea
--- a/NEWS	Mon Jan 24 12:40:52 2005 +0100
+++ b/NEWS	Mon Jan 24 12:41:06 2005 +0100
@@ -34,6 +34,10 @@
 * Provers/blast.ML:  new reference depth_limit to make blast's depth
   limit (previously hard-coded with a value of 20) user-definable.
 
+* Pure: thin_tac now works even if the assumption being deleted contains !! or ==>. 
+  More generally, erule now works even if the major premise of the elimination rule
+  contains !! or ==>.
+
 * Pure: considerably improved version of 'constdefs' command.  Now
   performs automatic type-inference of declared constants; additional
   support for local structure declarations (cf. locales and HOL