--- a/src/HOL/Number_Theory/Factorial_Ring.thy Thu Apr 06 10:22:03 2017 +0200
+++ b/src/HOL/Number_Theory/Factorial_Ring.thy Thu Apr 06 11:23:26 2017 +0200
@@ -8,7 +8,7 @@
theory Factorial_Ring
imports
Main
- GCD
+ "../GCD"
"~~/src/HOL/Library/Multiset"
begin