]> matita.cs.unibo.it Git - helm.git/blobdiff - matita/matita/contribs/lambdadelta/basic_2/rt_transition/lfpr_length.ma
- lfpxs based on tc_lfxs
[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / rt_transition / lfpr_length.ma
index 19db3f337a900bb193d51eba203746a521567141..2f7b3231a3a28854c747db252f63494406715efd 100644 (file)
@@ -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-.