matita/matita/contribs/lambdadelta/ground/relocation/gr_isf_eq.ma

   1 (**************************************************************************)
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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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  13 (**************************************************************************)
  14
  15 include "ground/relocation/gr_fcla_eq.ma".
  16 include "ground/relocation/gr_isf.ma".
  17
  18 (* FINITE COLENGTH CONDITION FOR GENERIC RELOCATION MAPS ********************)
  19
  20 (* Constructions with gr_eq *************************************************)
  21
  22 (*** isfin_eq_repl_back *)
  23 lemma gr_isf_eq_repl_back:
  24       gr_eq_repl_back … gr_isf.
  25 #f1 * /3 width=4 by gr_fcla_eq_repl_back, ex_intro/
  26 qed-.
  27
  28 (*** isfin_eq_repl_fwd *)
  29 lemma gr_isf_eq_repl_fwd: gr_eq_repl_fwd … gr_isf.
  30 /3 width=3 by gr_isf_eq_repl_back, gr_eq_repl_sym/ qed-.