src/HOL/Induct/Tree.thy
changeset 31602 59df8222c204
parent 21404 eb85850d3eb7
child 35419 d78659d1723e
     1.1 --- a/src/HOL/Induct/Tree.thy	Wed Jun 10 10:09:30 2009 +0200
     1.2 +++ b/src/HOL/Induct/Tree.thy	Wed Jun 10 15:04:31 2009 +0200
     1.3 @@ -1,12 +1,13 @@
     1.4  (*  Title:      HOL/Induct/Tree.thy
     1.5 -    ID:         $Id$
     1.6      Author:     Stefan Berghofer,  TU Muenchen
     1.7      Author:     Lawrence C Paulson, Cambridge University Computer Laboratory
     1.8  *)
     1.9  
    1.10  header {* Infinitely branching trees *}
    1.11  
    1.12 -theory Tree imports Main begin
    1.13 +theory Tree
    1.14 +imports Main
    1.15 +begin
    1.16  
    1.17  datatype 'a tree =
    1.18      Atom 'a