+(**************************************************************************)
+(* ___ *)
+(* ||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_computation/cpms_cpxs.ma".
+include "basic_2/rt_computation/lpxs.ma".
include "basic_2/rt_computation/lprs.ma".
-lemma lprs_lpxs: ∀h,g,G,L1,L2. ⦃G, L1⦄ ⊢ ➡* L2 → ⦃G, L1⦄ ⊢ ➡*[h, g] L2.
-/3 width=3 by lpr_lpx, monotonic_TC/ qed.
+(* PARALLEL R-COMPUTATION FOR FULL LOCAL ENVIRONMENTS ***********************)
+
+(* Forward lemmas with unbound rt-computation for full local environments ***)
+
+(* Basic_2A1: was: lprs_lpxs *)
+(* Note: original proof uses lpr_fwd_lpx and monotonic_TC *)
+lemma lprs_fwd_lpxs (h) (G) : ∀L1,L2. ⦃G, L1⦄ ⊢ ➡*[h] L2 → ⦃G, L1⦄ ⊢ ⬈*[h] L2.
+/3 width=3 by cpms_fwd_cpxs, lex_co/ qed-.