--- a/prio/PrioG.thy Thu Feb 09 15:00:19 2012 +0000 +++ b/prio/PrioG.thy Thu Feb 09 16:34:18 2012 +0000 @@ -770,6 +770,7 @@ qed lemma step_depend_v: +fixes th::thread assumes vt: "vt step (V th cs#s)" shows "