X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_transition%2Flpx_length.ma;fp=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_transition%2Flpx_length.ma;h=c58780879490732a5f2ff20a7b1bbab4b1d31010;hb=8ec019202bff90959cf1a7158b309e7f83fa222e;hp=aae2d8972d47a40d79350731c6eb0e5921ebb9f0;hpb=33d0a7a9029859be79b25b5a495e0f30dab11f37;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/lpx_length.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/lpx_length.ma
index aae2d8972..c58780879 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/lpx_length.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/lpx_length.ma
@@ -20,5 +20,5 @@ include "basic_2/rt_transition/lpx.ma".
 (* Forward lemmas with length for local environments ************************)
 
 lemma lpx_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-.