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src/HOL/MicroJava/DFA/Product.thy
changeset 61236 b033aeaab1b8
parent 58886 8a6cac7c7247
child 61361 8b5f00202e1a 
--- a/src/HOL/MicroJava/DFA/Product.thy	Tue Sep 22 16:55:49 2015 +0100
+++ b/src/HOL/MicroJava/DFA/Product.thy	Wed Sep 23 11:36:07 2015 +0100
@@ -43,7 +43,7 @@
   "order(Product.le rA rB) = (order rA & order rB)"
 apply (unfold Semilat.order_def)
 apply simp
-apply blast
+apply meson
 done 
 
 lemma acc_le_prodI [intro!]:
isabelle