X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_transition%2Flfpr_length.ma;h=2f7b3231a3a28854c747db252f63494406715efd;hb=58ea181757dce19b875b2f5a224fe193b2263004;hp=19db3f337a900bb193d51eba203746a521567141;hpb=670ad7822d59e598a38d9037d482d3de188b170c;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/lfpr_length.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/lfpr_length.ma
index 19db3f337..2f7b3231a 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/lfpr_length.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/lfpr_length.ma
@@ -19,5 +19,6 @@ include "basic_2/rt_transition/lfpr.ma".
 
 (* Forward lemmas with length for local environments ************************)
 
+(* Basic_2A1: uses: lpr_fwd_length *)
 lemma lfpr_fwd_length: ∀h,G,L1,L2,T. ⦃G, L1⦄ ⊢ ➡[h, T] L2 → |L1| = |L2|.
 /2 width=3 by lfxs_fwd_length/ qed-.