diff -r a75d71c73362 -r 9f90ac19e32b src/HOL/NumberTheory/Factorization.thy
--- a/src/HOL/NumberTheory/Factorization.thy	Thu Jun 26 10:06:54 2008 +0200
+++ b/src/HOL/NumberTheory/Factorization.thy	Thu Jun 26 10:07:01 2008 +0200
@@ -6,7 +6,9 @@
 
 header {* Fundamental Theorem of Arithmetic (unique factorization into primes) *}
 
-theory Factorization imports Primes Permutation begin
+theory Factorization
+imports Main Primes Permutation
+begin
 
 
 subsection {* Definitions *}