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 "static_2/static/feqg.ma".
16 include "basic_2/rt_computation/csx_reqg.ma".
18 (* STRONGLY NORMALIZING TERMS FOR EXTENDED PARALLEL RT-TRANSITION ***********)
20 (* Properties with generic equivalence for closures *************************)
22 lemma csx_feqg_conf (S):
23 reflexive … S → symmetric … S →
24 ∀G1,L1,T1. ❪G1,L1❫ ⊢ ⬈*𝐒 T1 →
25 ∀G2,L2,T2. ❪G1,L1,T1❫ ≛[S] ❪G2,L2,T2❫ → ❪G2,L2❫ ⊢ ⬈*𝐒 T2.
26 #S #H1S #H2S #G1 #L1 #T1 #HT1 #G2 #L2 #T2 * -G2 -L2 -T2
27 /3 width=6 by csx_reqg_conf, csx_teqg_trans/