X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frelocation%2Flexs_length.ma;h=71467ba72319444401782e16aa8ef9d32d1c7392;hp=faefb998920879a962a6f43b812e3edc3a039a81;hb=47a745462a714af9d65cea7b61af56524bd98fa1;hpb=990f97071a9939d47be16b36f6045d3b23f218e0

diff --git a/matita/matita/contribs/lambdadelta/basic_2/relocation/lexs_length.ma b/matita/matita/contribs/lambdadelta/basic_2/relocation/lexs_length.ma
index faefb9989..71467ba72 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/relocation/lexs_length.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/relocation/lexs_length.ma
@@ -19,9 +19,8 @@ include "basic_2/relocation/lexs.ma".
 
 (* Forward lemmas with length for local environments ************************)
 
-(* Basic_2A1: uses: lpx_sn_fwd_length *)
 lemma lexs_fwd_length: ∀RN,RP,f,L1,L2. L1 ⪤*[RN, RP, f] L2 → |L1| = |L2|.
-#RM #RP #f #L1 #L2 #H elim H -f -L1 -L2 //
+#RN #RP #f #L1 #L2 #H elim H -f -L1 -L2 //
 #f #I1 #I2 #L1 #L2 >length_bind >length_bind //
 qed-.