- lfpxs based on tc_lfxs

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

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/lfpr_lfpx.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/lfpr_lfpx.ma
index aea28258ead0e8b4f55fb26b9d599a86c1952c85..e2414b916ffc38cf5d9d778858221dc3b06dd771 100644 (file)
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/lfpr_lfpx.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/lfpr_lfpx.ma
@@ -20,9 +20,6 @@ include "basic_2/rt_transition/lfpr.ma".
 
 (* Fwd. lemmas with unc. rt-transition for local env.s on referred entries **)
 
-lemma lfpx_frees_conf_fwd_lfpr: ∀h,G. lexs_frees_confluent (cpx h G) cfull →
-                                lexs_frees_confluent (cpm 0 h G) cfull.
-/4 width=7 by cpm_fwd_cpx, lexs_co/ qed-.
-
+(* Basic_2A1: uses: lpr_lpx *)
 lemma lfpr_fwd_lfpx: ∀h,T,G,L1,L2. ⦃G, L1⦄ ⊢ ➡[h, T] L2 → ⦃G, L1⦄ ⊢ ⬈[h, T] L2.
 /3 width=3 by cpm_fwd_cpx, lfxs_co/ qed-.