1.1 --- a/src/ZF/OrderType.thy	Fri Jun 17 11:35:35 2005 +0200
     1.2 +++ b/src/ZF/OrderType.thy	Fri Jun 17 16:12:49 2005 +0200
     1.3 @@ -7,7 +7,7 @@
     1.4  
     1.5  header{*Order Types and Ordinal Arithmetic*}
     1.6  
     1.7 -theory OrderType = OrderArith + OrdQuant + Nat:
     1.8 +theory OrderType imports OrderArith OrdQuant Nat begin
     1.9  
    1.10  text{*The order type of a well-ordering is the least ordinal isomorphic to it.
    1.11  Ordinal arithmetic is traditionally defined in terms of order types, as it is