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merged
authornipkow
Wed, 04 Jan 2017 14:26:19 +0100
changeset 64772 346d5158fc2f
parent 64770 1ddc262514b8 (current diff)
parent 64771 23c56f483775 (diff)
child 64774 8cac34b3dcd0
merged
--- a/src/HOL/Library/Tree.thy	Tue Jan 03 23:21:09 2017 +0100
+++ b/src/HOL/Library/Tree.thy	Wed Jan 04 14:26:19 2017 +0100
@@ -356,8 +356,6 @@
 lemma wbalanced_subtrees: "\<lbrakk> wbalanced t; s \<in> subtrees t \<rbrakk> \<Longrightarrow> wbalanced s"
 using [[simp_depth_limit=1]] by(induction t arbitrary: s) auto
 
-(* show wbalanced \<Longrightarrow> balanced and use that in Balanced.thy *)
-
 
 subsection \<open>@{const path_len}\<close>
isabelle