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src/HOL/Probability/Radon_Nikodym.thy
changeset 61169 4de9ff3ea29a
parent 60585 48fdff264eb2
child 61605 1bf7b186542e
child 61609 77b453bd616f 
--- a/src/HOL/Probability/Radon_Nikodym.thy	Sun Sep 13 22:25:21 2015 +0200
+++ b/src/HOL/Probability/Radon_Nikodym.thy	Sun Sep 13 22:56:52 2015 +0200
@@ -993,7 +993,7 @@
   note A_in_sets = this
 
   show "sigma_finite_measure ?N"
-  proof (default, intro exI conjI ballI)
+  proof (standard, intro exI conjI ballI)
     show "countable (range (\<lambda>(i, j). A i \<inter> Q j))"
       by auto
     show "range (\<lambda>(i, j). A i \<inter> Q j) \<subseteq> sets (density M f)"
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