1.1 --- a/src/ZF/ex/Primes.thy	Fri Jun 17 11:35:35 2005 +0200
     1.2 +++ b/src/ZF/ex/Primes.thy	Fri Jun 17 16:12:49 2005 +0200
     1.3 @@ -6,7 +6,7 @@
     1.4  
     1.5  header{*The Divides Relation and Euclid's algorithm for the GCD*}
     1.6  
     1.7 -theory Primes = Main:
     1.8 +theory Primes imports Main begin
     1.9  constdefs
    1.10    divides :: "[i,i]=>o"              (infixl "dvd" 50) 
    1.11      "m dvd n == m \<in> nat & n \<in> nat & (\<exists>k \<in> nat. n = m#*k)"