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src/HOL/UNITY/Extend.ML
changeset 9190 b86ff604729f
parent 8948 b797cfa3548d
child 9337 58bd51302b21 
--- a/src/HOL/UNITY/Extend.ML	Thu Jun 29 12:17:18 2000 +0200
+++ b/src/HOL/UNITY/Extend.ML	Thu Jun 29 12:19:27 2000 +0200
@@ -45,7 +45,7 @@
 Goalw [Restrict_def]
      "[| A <= B;  Restrict B r = Restrict B s |] \
 \     ==> Restrict A r = Restrict A s";
-by (blast_tac (claset() addSEs [equalityE]) 1);
+by (Blast_tac 1);
 qed "Restrict_eq_mono";
 
 Goalw [Restrict_def, image_def]
isabelle