- advances in rt_transition

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

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpx_lfxs.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpx_lfxs.ma
new file mode 100644 (file)
index 0000000..b47cd88
--- /dev/null
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpx_lfxs.ma
@@ -0,0 +1,26 @@
+(**************************************************************************)
+(*       ___                                                              *)
+(*      ||M||                                                             *)
+(*      ||A||       A project by Andrea Asperti                           *)
+(*      ||T||                                                             *)
+(*      ||I||       Developers:                                           *)
+(*      ||T||         The HELM team.                                      *)
+(*      ||A||         http://helm.cs.unibo.it                             *)
+(*      \   /                                                             *)
+(*       \ /        This file is distributed under the terms of the       *)
+(*        v         GNU General Public License Version 2                  *)
+(*                                                                        *)
+(**************************************************************************)
+
+include "basic_2/rt_transition/lfpx_frees.ma".
+
+(* UNCOUNTED CONTEXT-SENSITIVE PARALLEL RT-TRANSITION FOR TERMS *************)
+
+(* Properties with generic extension on referred entries ********************)
+
+(* Note: lemma 1000 *)
+(* Basic_2A1: was just: cpx_llpx_sn_conf *)
+lemma cpx_lfxs_conf: ∀R,h,G. s_r_confluent1 … (cpx h G) (lfxs R).
+#R #h #G #L1 #T1 #T2 #H #L2 * #f1 #Hf1 elim (cpx_frees_conf … Hf1 … H) -T1
+/3 width=5 by sle_lexs_trans, ex2_intro/
+qed-.