src/HOL/Lfp.thy
changeset 15131 c69542757a4d
parent 14169 0590de71a016
child 15140 322485b816ac
     1.1 --- a/src/HOL/Lfp.thy	Mon Aug 16 14:21:54 2004 +0200
     1.2 +++ b/src/HOL/Lfp.thy	Mon Aug 16 14:22:27 2004 +0200
     1.3 @@ -6,7 +6,9 @@
     1.4  The Knaster-Tarski Theorem
     1.5  *)
     1.6  
     1.7 -theory Lfp = Product_Type:
     1.8 +theory Lfp
     1.9 +import Product_Type
    1.10 +begin
    1.11  
    1.12  constdefs
    1.13    lfp :: "['a set \<Rightarrow> 'a set] \<Rightarrow> 'a set"