+++ /dev/null
-(**************************************************************************)
-(* ___ *)
-(* ||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/reducibility/tpr_tpr.ma".
-include "basic_2/reducibility/ltpr.ma".
-
-(* CONTEXT-FREE PARALLEL REDUCTION ON LOCAL ENVIRONMENTS ********************)
-
-(* Main properties **********************************************************)
-
-theorem ltpr_conf: ∀L0:lenv. ∀L1. L0 ➡ L1 → ∀L2. L0 ➡ L2 →
- ∃∃L. L1 ➡ L & L2 ➡ L.
-#L0 #L1 #H elim H -L0 -L1 /2 width=3/
-#I #K0 #K1 #V0 #V1 #_ #HV01 #IHK01 #L2 #H
-elim (ltpr_inv_pair1 … H) -H #K2 #V2 #HK02 #HV02 #H destruct
-elim (IHK01 … HK02) -K0 #K #HK1 #HK2
-elim (tpr_conf … HV01 HV02) -V0 /3 width=5/
-qed.