src/HOL/Isar_examples/NestedDatatype.thy
changeset 16417 9bc16273c2d4
parent 11809 c9ffdd63dd93
child 18153 a084aa91f701
     1.1 --- a/src/HOL/Isar_examples/NestedDatatype.thy	Fri Jun 17 11:35:35 2005 +0200
     1.2 +++ b/src/HOL/Isar_examples/NestedDatatype.thy	Fri Jun 17 16:12:49 2005 +0200
     1.3 @@ -1,7 +1,7 @@
     1.4  
     1.5  header {* Nested datatypes *}
     1.6  
     1.7 -theory NestedDatatype = Main:
     1.8 +theory NestedDatatype imports Main begin
     1.9  
    1.10  subsection {* Terms and substitution *}
    1.11