update in basic_2 and apps_2

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / rt_transition / lpr_length.ma

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/lpr_length.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/lpr_length.ma
index cd15d3434da1398a8ddd1130e4e858fe19727a93..3a548a496ace9fcb0cf8aed330cb355d77c32508 100644 (file)
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/lpr_length.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/lpr_length.ma
@@ -17,5 +17,5 @@ include "basic_2/rt_transition/lpr.ma".
 
 (* PARALLEL R-TRANSITION FOR FULL LOCAL ENVIRONMENTS ************************)
 
-lemma lpr_fwd_length (h) (G): ∀L1,L2. ❪G,L1❫ ⊢ ➡[h] L2 → |L1| = |L2|.
+lemma lpr_fwd_length (h) (G): ∀L1,L2. ❪G,L1❫ ⊢ ➡[h,0] L2 → |L1| = |L2|.
 /2 width=2 by lex_fwd_length/ qed-.