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