matita/matita/contribs/lambdadelta/basic_2/rt_transition/cnh_cnh.ma

   1 (**************************************************************************)
   2 (*       ___                                                              *)
   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                  *)
  12 (*                                                                        *)
  13 (**************************************************************************)
  14
  15 include "basic_2/rt_transition/cpm.ma".
  16 include "basic_2/rt_transition/cnh.ma".
  17
  18 (* NORMAL TERMS FOR HEAD T-UNUNBOUND RT-TRANSITION **************************)
  19
  20 (* Advanced properties ******************************************************)
  21
  22 axiom cnh_cpm_trans (h) (n) (G) (L):
  23       ∀T1,T2. ⦃G,L⦄ ⊢ T1 ➡[n,h] T2 → ⦃G,L⦄ ⊢ ⥲[h] 𝐍⦃T1⦄ → ⦃G,L⦄ ⊢ ⥲[h] 𝐍⦃T2⦄.
  24 (*
  25 #h #n #G #L #T1 #T2 #HT1 #n #T2 #HT12 #k #X #HX
  26 *)