# HG changeset patch # User nipkow # Date 1367317601 -7200 # Node ID 8deb369ee70b4b0bfed728f0ef453703e9eb1b1b # Parent 3be0a5c6dc9e9db6a2103cb9c4db6618d550eadf tuned diff -r 3be0a5c6dc9e -r 8deb369ee70b src/HOL/IMP/Abs_Int2.thy --- a/src/HOL/IMP/Abs_Int2.thy Tue Apr 30 12:18:40 2013 +0200 +++ b/src/HOL/IMP/Abs_Int2.thy Tue Apr 30 12:26:41 2013 +0200 @@ -67,7 +67,7 @@ fun aval'' :: "aexp \ 'av st option \ 'av" where "aval'' e None = \" | -"aval'' e (Some sa) = aval' e sa" +"aval'' e (Some S) = aval' e S" lemma aval''_sound: "s : \\<^isub>o S \ aval a s : \(aval'' a S)" by(cases S)(auto simp add: aval'_sound split: option.splits)