--- a/src/Provers/classical.ML Thu Jun 27 10:08:41 2013 +0200
+++ b/src/Provers/classical.ML Thu Jun 27 10:14:17 2013 +0200
@@ -802,13 +802,13 @@
fun astar_tac ctxt =
Object_Logic.atomize_prems_tac THEN'
SELECT_GOAL
- (ASTAR (has_fewer_prems 1, fn lev => fn thm => size_of_thm thm + weight_ASTAR * lev)
+ (ASTAR (has_fewer_prems 1, fn lev => fn thm => Data.sizef thm + weight_ASTAR * lev)
(step_tac ctxt 1));
fun slow_astar_tac ctxt =
Object_Logic.atomize_prems_tac THEN'
SELECT_GOAL
- (ASTAR (has_fewer_prems 1, fn lev => fn thm => size_of_thm thm + weight_ASTAR * lev)
+ (ASTAR (has_fewer_prems 1, fn lev => fn thm => Data.sizef thm + weight_ASTAR * lev)
(slow_step_tac ctxt 1));