1.1 --- a/doc-src/TutorialI/CTL/PDL.thy	Mon Oct 02 14:22:39 2000 +0200
     1.2 +++ b/doc-src/TutorialI/CTL/PDL.thy	Mon Oct 02 14:25:10 2000 +0200
     1.3 @@ -1,7 +1,6 @@
     1.4 -theory PDL = Main:;
     1.5 +(*<*)theory PDL = Base:(*>*)
     1.6  
     1.7 -typedecl atom;
     1.8 -types state = "atom set";
     1.9 +subsection{*Propositional dynmic logic---PDL*}
    1.10  
    1.11  datatype ctl_form = Atom atom
    1.12                    | NOT ctl_form