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1 (**************************************************************************)
2 (*       ___                                                              *)
3 (*      ||M||                                                             *)
4 (*      ||A||       A project by Andrea Asperti                           *)
5 (*      ||T||                                                             *)
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9 (*      \   /                                                             *)
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/tr_pap_pat.ma".
16
17 (* Main inversions **********************************************************)
18
19 (*** apply_inj *)
20 theorem tr_pap_inj (f):
21         ∀i1,i2,j. f@❨i1❩ = j → f@❨i2❩ = j → i1 = i2.
22 /2 width=4 by pr_pat_inj/ qed-.