missing ; to delimit syntax :(

diff --git a/matita/matita/lib/basics/list.ma b/matita/matita/lib/basics/list.ma
index e4bdcb8aa0a8fbd38f94ac930d4a9392507908de..8b04499872f8ee473b9305d3f40fca4311d52d26 100644 (file)
--- a/matita/matita/lib/basics/list.ma
+++ b/matita/matita/lib/basics/list.ma
@@ -211,9 +211,8 @@ lemma lhd_cons_ltl: ∀A,n,l. lhd A l n @ ltl A l n = l.
 #A #n elim n -n //
 #n #IHn #l elim l normalize //
 qed.
-(*
+
 lemma length_ltl: ∀A,n,l. |ltl A l n| = |l| - n.
 #A #n elim n -n /2/
-#n #IHn * normalize /2/
+#n #IHn *; normalize /2/
 qed.
-*)
\ No newline at end of file