author | nipkow |
Sun, 01 Sep 2002 19:39:25 +0200 | |
changeset 13552 | 83d674e8cd2a |
parent 13551 | b7f64ee8da84 |
child 13553 | 855f6bae851e |
--- a/doc-src/TutorialI/CTL/CTL.thy Sat Aug 31 14:03:49 2002 +0200 +++ b/doc-src/TutorialI/CTL/CTL.thy Sun Sep 01 19:39:25 2002 +0200 @@ -281,7 +281,7 @@ where @{term nat_rec} is the predefined primitive recursor on @{typ nat}. *}; (*<*) -lemma infinity_lemma: +lemma "\<lbrakk> Q s; \<forall> s. Q s \<longrightarrow> (\<exists> t. (s,t)\<in>M \<and> Q t) \<rbrakk> \<Longrightarrow> \<exists> p\<in>Paths s. \<forall> i. Q(p i)"; apply(subgoal_tac