1.1 --- a/src/HOL/Induct/Sexp.thy	Thu Jan 16 15:47:33 2014 +0100
     1.2 +++ b/src/HOL/Induct/Sexp.thy	Thu Jan 16 16:20:17 2014 +0100
     1.3 @@ -6,7 +6,9 @@
     1.4  structures by hand.
     1.5  *)
     1.6  
     1.7 -theory Sexp imports Main "~~/src/HOL/Library/Wfrec" begin
     1.8 +theory Sexp
     1.9 +imports Main
    1.10 +begin
    1.11  
    1.12  type_synonym 'a item = "'a Datatype.item"
    1.13  abbreviation "Leaf == Datatype.Leaf"