X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Flprs_length.ma;h=55c213b27f5f297abf3b7c3ab8cd6ff7e4552eff;hb=80ecd5486c6013f6c297173f41432fd1d93814ef;hp=4327dcb7b6d7016c49fbf58f1447e6e0978521ce;hpb=5b5dca0c118dfbe3ba8f0514ef07549544eb7810;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/lprs_length.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/lprs_length.ma
index 4327dcb7b..55c213b27 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/lprs_length.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/lprs_length.ma
@@ -19,5 +19,5 @@ include "basic_2/rt_computation/lprs.ma".
 
 (* Forward lemmas with length for local environments ************************)
 
-lemma lprs_fwd_length (h) (G): ∀L1,L2. ⦃G,L1⦄ ⊢ ➡*[h] L2 → |L1| = |L2|.
+lemma lprs_fwd_length (h) (G): ∀L1,L2. ❨G,L1❩ ⊢ ➡*[h,0] L2 → |L1| = |L2|.
 /2 width=2 by lex_fwd_length/ qed-.