diff -r 627a93f67182 -r be4a911aca71 src/HOL/Library/Stream.thy
--- a/src/HOL/Library/Stream.thy	Wed Nov 19 10:31:15 2014 +0100
+++ b/src/HOL/Library/Stream.thy	Wed Nov 19 19:12:14 2014 +0100
@@ -380,7 +380,7 @@
   qed
 qed simp
 
-lemma same_cycle: "sconst x = cycle [x]"
+lemma sconst_cycle: "sconst x = cycle [x]"
   by coinduction auto
 
 lemma smap_sconst: "smap f (sconst x) = sconst (f x)"