X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Flpxs_length.ma;fp=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Flpxs_length.ma;h=0f88794deb2b20a65313b053cf2a841507b662b1;hb=8ec019202bff90959cf1a7158b309e7f83fa222e;hp=e851d511fa15f1e7c88cde5aa1cd5afd4b0998d4;hpb=33d0a7a9029859be79b25b5a495e0f30dab11f37;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/lpxs_length.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/lpxs_length.ma
index e851d511f..0f88794de 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/lpxs_length.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/lpxs_length.ma
@@ -20,5 +20,5 @@ include "basic_2/rt_computation/lpxs.ma".
 (* Forward lemmas with length for local environments ************************)
 
 lemma lpxs_fwd_length (G):
-      ∀L1,L2. ❪G,L1❫ ⊢ ⬈* L2 → |L1| = |L2|.
+      ∀L1,L2. ❨G,L1❩ ⊢ ⬈* L2 → |L1| = |L2|.
 /2 width=2 by lex_fwd_length/ qed-.