src/HOL/equalities.ML
changeset 3919 c036caebfc75
parent 3907 51c00e87bd6e
child 4003 2bbeed529077
--- a/src/HOL/equalities.ML	Fri Oct 17 15:23:14 1997 +0200
+++ b/src/HOL/equalities.ML	Fri Oct 17 15:25:12 1997 +0200
@@ -239,13 +239,13 @@
 
 goal Set.thy "(insert a B) Int C = (if a:C then insert a (B Int C) \
 \                                          else        B Int C)";
-by (simp_tac (!simpset setloop split_tac [expand_if]) 1);
+by (simp_tac (!simpset addsplits [expand_if]) 1);
 by (Blast_tac 1);
 qed "Int_insert_left";
 
 goal Set.thy "A Int (insert a B) = (if a:A then insert a (A Int B) \
 \                                          else        A Int B)";
-by (simp_tac (!simpset setloop split_tac [expand_if]) 1);
+by (simp_tac (!simpset addsplits [expand_if]) 1);
 by (Blast_tac 1);
 qed "Int_insert_right";
 
@@ -568,7 +568,7 @@
 qed "Diff_insert2";
 
 goal Set.thy "insert x A - B = (if x:B then A-B else insert x (A-B))";
-by (simp_tac (!simpset setloop split_tac[expand_if]) 1);
+by (simp_tac (!simpset addsplits [expand_if]) 1);
 by (Blast_tac 1);
 qed "insert_Diff_if";