fixed a VERY SLOW proof
authorpaulson <lp15@cam.ac.uk>
Wed, 23 Sep 2015 11:36:07 +0100
changeset 61236 b033aeaab1b8
parent 61235 37862ccec075
child 61237 5c9a9504f713
fixed a VERY SLOW proof
src/HOL/MicroJava/DFA/Product.thy
--- 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!]: