milestone update in basic_2

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

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpm_fpbc.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpm_fpbc.ma
new file mode 100644 (file)
index 0000000..5b30d4b
--- /dev/null
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpm_fpbc.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/fpbc_fqup.ma".
+include "basic_2/rt_transition/cpm_cpx.ma".
+
+(* T-BOUND CONTEXT-SENSITIVE PARALLEL RT-TRANSITION FOR TERMS ***************)
+
+(* Forward lemmas with proper rst-transition for closures *******************)
+
+(* Basic_2A1: includes: cpr_fpb *)
+(* Basic_2A1: uses: cpm_fpb *)
+lemma cpm_fwd_fpbc (h) (n) (G) (L):
+      ∀T1,T2. ❪G,L❫ ⊢ T1 ➡[h,n] T2 → (T1 ≅ T2 → ⊥) → ❪G,L,T1❫ ≻ ❪G,L,T2❫.
+/3 width=3 by cpx_fpbc, cpm_fwd_cpx/ qed-.