diff -r 494f8cd34df7 -r 44fefb6e9994 doc-src/TutorialI/ToyList/ToyList.thy --- a/doc-src/TutorialI/ToyList/ToyList.thy Wed Aug 02 11:30:38 2000 +0200 +++ b/doc-src/TutorialI/ToyList/ToyList.thy Wed Aug 02 13:17:11 2000 +0200 @@ -220,8 +220,9 @@ text{* \subsubsection*{First lemma: \texttt{rev(xs \at~ys) = (rev ys) \at~(rev xs)}} -After abandoning the above proof attempt\indexbold{abandon proof} (at the shell level type -\isacommand{oops}) we start a new proof: +After abandoning the above proof attempt\indexbold{abandon +proof}\indexbold{proof!abandon} (at the shell level type +\isacommand{oops}\indexbold{*oops}) we start a new proof: *} lemma rev_app [simp]: "rev(xs @ ys) = (rev ys) @ (rev xs)";