+++ /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 "static_2/static/feqx.ma".
-include "basic_2/rt_computation/csx_reqx.ma".
-
-(* STRONGLY NORMALIZING TERMS FOR EXTENDED PARALLEL RT-TRANSITION ***********)
-
-(* Properties with sort-irrelevant equivalence for closures *****************)
-
-lemma csx_feqx_conf:
- ∀G1,L1,T1. ❪G1,L1❫ ⊢ ⬈*𝐒 T1 →
- ∀G2,L2,T2. ❪G1,L1,T1❫ ≛ ❪G2,L2,T2❫ → ❪G2,L2❫ ⊢ ⬈*𝐒 T2.
-#G1 #L1 #T1 #HT1 #G2 #L2 #T2 * -G2 -L2 -T2
-/3 width=3 by csx_reqx_conf, csx_teqx_trans/
-qed-.