src/HOL/PreList.thy
changeset 15131 c69542757a4d
parent 14577 dbb95b825244
child 15140 322485b816ac
     1.1 --- a/src/HOL/PreList.thy	Mon Aug 16 14:21:54 2004 +0200
     1.2 +++ b/src/HOL/PreList.thy	Mon Aug 16 14:22:27 2004 +0200
     1.3 @@ -6,8 +6,9 @@
     1.4  
     1.5  header{*A Basis for Building the Theory of Lists*}
     1.6  
     1.7 -theory PreList =
     1.8 -    Wellfounded_Relations + Presburger + Recdef + Relation_Power + Parity:
     1.9 +theory PreList
    1.10 +import Wellfounded_Relations Presburger Recdef Relation_Power Parity
    1.11 +begin
    1.12  
    1.13  text {*
    1.14    Is defined separately to serve as a basis for theory ToyList in the