matita/matita/contribs/lambdadelta/ground/relocation/pr_isf_eq.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 "ground/relocation/pr_fcla_eq.ma".
  16 include "ground/relocation/pr_isf.ma".
  17
  18 (* FINITE COLENGTH CONDITION FOR PARTIAL RELOCATION MAPS ********************)
  19
  20 (* Constructions with pr_eq *************************************************)
  21
  22 (*** isfin_eq_repl_back *)
  23 lemma pr_isf_eq_repl_back:
  24       pr_eq_repl_back … pr_isf.
  25 #f1 * /3 width=4 by pr_fcla_eq_repl_back, ex_intro/
  26 qed-.
  27
  28 (*** isfin_eq_repl_fwd *)
  29 lemma pr_isf_eq_repl_fwd: pr_eq_repl_fwd … pr_isf.
  30 /3 width=3 by pr_isf_eq_repl_back, pr_eq_repl_sym/ qed-.