update in static_2

[helm.git] / matita / matita / contribs / lambdadelta / static_2 / relocation / seq_length.ma

diff --git a/matita/matita/contribs/lambdadelta/static_2/relocation/seq_length.ma b/matita/matita/contribs/lambdadelta/static_2/relocation/seq_length.ma
index 3ea6b84b1ecc64df2ce160f8fee501758fd9ef35..2fff87bf79b3063d9d6f8183e260cec186794510 100644 (file)
--- a/matita/matita/contribs/lambdadelta/static_2/relocation/seq_length.ma
+++ b/matita/matita/contribs/lambdadelta/static_2/relocation/seq_length.ma
@@ -20,5 +20,6 @@ include "static_2/relocation/seq.ma".
 (* Forward lemmas with length for local environments ************************)
 
 (* Basic_2A1: includes: lreq_fwd_length *)
-lemma seq_fwd_length: ∀f,L1,L2. L1 ≡[f] L2 → |L1| = |L2|.
+lemma seq_fwd_length (f):
+      ∀L1,L2. L1 ≡[f] L2 → |L1| = |L2|.
 /2 width=4 by sex_fwd_length/ qed-.