matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx_fdeq.ma

   1 (**************************************************************************)
   2 (*       ___                                                              *)
   3 (*      ||M||                                                             *)
   4 (*      ||A||       A project by Andrea Asperti                           *)
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  10 (*       \ /        This file is distributed under the terms of the       *)
  11 (*        v         GNU General Public License Version 2                  *)
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  14
  15 include "static_2/static/fdeq.ma".
  16 include "basic_2/rt_computation/csx_rdeq.ma".
  17
  18 (* STRONGLY NORMALIZING TERMS FOR UNBOUND PARALLEL RT-TRANSITION ************)
  19
  20 (* Properties with degree-based equivalence for closures ********************)
  21
  22 lemma csx_fdeq_conf: ∀h,o,G1,L1,T1. ⦃G1, L1⦄ ⊢ ⬈*[h, o] 𝐒⦃T1⦄ →
  23                      ∀G2,L2,T2. ⦃G1, L1, T1⦄ ≛[h, o] ⦃G2, L2, T2⦄ → ⦃G2, L2⦄ ⊢ ⬈*[h, o] 𝐒⦃T2⦄.
  24 #h #o #G1 #L1 #T1 #HT1 #G2 #L2 #T2 * -G2 -L2 -T2
  25 /3 width=3 by csx_rdeq_conf, csx_tdeq_trans/
  26 qed-.