matita/matita/contribs/lambda_delta/basic_2/conversion/lcpc_lcpc.ma

   1 (**************************************************************************)
   2 (*       ___                                                              *)
   3 (*      ||M||                                                             *)
   4 (*      ||A||       A project by Andrea Asperti                           *)
   5 (*      ||T||                                                             *)
   6 (*      ||I||       Developers:                                           *)
   7 (*      ||T||         The HELM team.                                      *)
   8 (*      ||A||         http://helm.cs.unibo.it                             *)
   9 (*      \   /                                                             *)
  10 (*       \ /        This file is distributed under the terms of the       *)
  11 (*        v         GNU General Public License Version 2                  *)
  12 (*                                                                        *)
  13 (**************************************************************************)
  14
  15 include "basic_2/conversion/lcpc.ma".
  16
  17 (* CONTEXT-SENSITIVE PARALLEL CONVERSION ON LOCAL ENVIRONMENTS **************)
  18
  19 (* Main properties **********************************************************)
  20
  21 theorem lcpc_conf: ∀L0,L1,L2. L0 ⊢ ⬌ L1 → L0 ⊢ ⬌ L2 →
  22                    ∃∃L. L1 ⊢ ⬌ L & L2 ⊢ ⬌ L.
  23 /3 width=3/ qed.