- some work on context equivalence of atomic arity assignment

[helm.git] / matita / matita / contribs / lambda_delta / basic_2 / conversion / lcpc_lcpc.ma

diff --git a/matita/matita/contribs/lambda_delta/basic_2/conversion/lcpc_lcpc.ma b/matita/matita/contribs/lambda_delta/basic_2/conversion/lcpc_lcpc.ma
new file mode 100644 (file)
index 0000000..d52bcd1
--- /dev/null
+++ b/matita/matita/contribs/lambda_delta/basic_2/conversion/lcpc_lcpc.ma
@@ -0,0 +1,23 @@
+(**************************************************************************)
+(*       ___                                                              *)
+(*      ||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/conversion/lcpc.ma".
+
+(* CONTEXT-SENSITIVE PARALLEL CONVERSION ON LOCAL ENVIRONMENTS **************)
+
+(* Main properties **********************************************************)
+
+theorem lcpc_conf: ∀L0,L1,L2. L0 ⊢ ⬌ L1 → L0 ⊢ ⬌ L2 →
+                   ∃∃L. L1 ⊢ ⬌ L & L2 ⊢ ⬌ L.
+/3 width=3/ qed.