src/HOL/Probability/ex/Koepf_Duermuth_Countermeasure.thy
changeset 73297 beaff25452d2
parent 70347 e5cd5471c18a
child 73392 24f0df084aad
--- a/src/HOL/Probability/ex/Koepf_Duermuth_Countermeasure.thy	Tue Feb 23 20:41:48 2021 +0000
+++ b/src/HOL/Probability/ex/Koepf_Duermuth_Countermeasure.thy	Tue Feb 23 20:41:48 2021 +0000
@@ -3,7 +3,7 @@
 section \<open>Formalization of a Countermeasure by Koepf \& Duermuth 2009\<close>
 
 theory Koepf_Duermuth_Countermeasure
-  imports "HOL-Probability.Information" "HOL-Library.Permutation"
+  imports "HOL-Probability.Information" "HOL-Library.List_Permutation"
 begin
 
 lemma SIGMA_image_vimage: