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src/HOL/Analysis/Sigma_Algebra.thy
changeset 68188 2af1f142f855
parent 68073 fad29d2a17a5
child 68403 223172b97d0b 
--- a/src/HOL/Analysis/Sigma_Algebra.thy	Tue May 15 06:23:12 2018 +0200
+++ b/src/HOL/Analysis/Sigma_Algebra.thy	Tue May 15 11:33:43 2018 +0200
@@ -11,6 +11,7 @@
 imports
   Complex_Main
   "HOL-Library.Countable_Set"
+  "HOL-Library.FuncSet"
   "HOL-Library.Indicator_Function"
   "HOL-Library.Extended_Nonnegative_Real"
   "HOL-Library.Disjoint_Sets"
isabelle