X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fstatic_2%2Frelocation%2Fseq_length.ma;h=2fff87bf79b3063d9d6f8183e260cec186794510;hb=e23331eef5817eaa6c5e1c442d1d6bbb18650573;hp=3ea6b84b1ecc64df2ce160f8fee501758fd9ef35;hpb=ff612dc35167ec0c145864c9aa8ae5e1ebe20a48;p=helm.git

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 3ea6b84b1..2fff87bf7 100644
--- 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-.