diff -r 450cefec7c11 -r cc19f7ca2ed6 src/HOL/TPTP/ATP_Problem_Import.thy
--- a/src/HOL/TPTP/ATP_Problem_Import.thy	Fri Aug 18 13:55:05 2017 +0200
+++ b/src/HOL/TPTP/ATP_Problem_Import.thy	Fri Aug 18 20:47:47 2017 +0200
@@ -5,7 +5,7 @@
 section \<open>ATP Problem Importer\<close>
 
 theory ATP_Problem_Import
-imports Complex_Main TPTP_Interpret "~~/src/HOL/Library/Refute"
+imports Complex_Main TPTP_Interpret "HOL-Library.Refute"
 begin
 
 ML_file "sledgehammer_tactics.ML"