matita/matita/contribs/lambdadelta/delayed_updating/substitution/prelift_label_eq.ma

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   3 (*      ||M||                                                             *)
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  14
  15 include "delayed_updating/substitution/prelift_label.ma".
  16 include "ground/relocation/tr_pap_eq.ma".
  17
  18 (* PRELIFT FOR LABEL ********************************************************)
  19
  20 (* constructions with tr_map_eq *********************************************)
  21
  22 lemma prelift_label_eq_repl (l):
  23       stream_eq_repl … (λf1,f2. ↑[f1]l = ↑[f2]l).
  24 * //
  25 #k #f1 #f2 #Hf
  26 <prelift_label_d <prelift_label_d
  27 /3 width=1 by tr_pap_eq_repl, eq_f/
  28 qed.