matita/matita/contribs/lambdadelta/basic_2/etc/referred/lfsx_fqup.etc

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   3 (*      ||M||                                                             *)
   4 (*      ||A||       A project by Andrea Asperti                           *)
   5 (*      ||T||                                                             *)
   6 (*      ||I||       Developers:                                           *)
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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 "basic_2/static/lfdeq_fqup.ma".
  16 include "basic_2/rt_computation/lfsx.ma".
  17
  18 (* STRONGLY NORMALIZING LOCAL ENV.S FOR UNBOUND PARALLEL RT-TRANSITION ******)
  19
  20 (* Advanced properties ******************************************************)
  21
  22 (* Basic_2A1: uses: lsx_atom *)
  23 lemma lfsx_atom: ∀h,o,G,T. G ⊢ ⬈*[h, o, T] 𝐒⦃⋆⦄.
  24 #h #o #G #T @lfsx_intro
  25 #Y #H #HI lapply (lfpx_inv_atom_sn … H) -H
  26 #H destruct elim HI -HI //
  27 qed.