--- 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