--- a/thys2/SizeBound4.thy Mon Feb 07 01:12:36 2022 +0000 +++ b/thys2/SizeBound4.thy Mon Feb 07 14:22:08 2022 +0000 @@ -1157,8 +1157,6 @@ oops - - (* lemma asize_fuse: shows "asize (fuse bs r) = asize r"