1 (* Copyright (C) 2005, HELM Team.
3 * This file is part of HELM, an Hypertextual, Electronic
4 * Library of Mathematics, developed at the Computer Science
5 * Department, University of Bologna, Italy.
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8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with HELM; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
22 * For details, see the HELM World-Wide-Web page,
23 * http://cs.unibo.it/helm/.
30 module PosEqSet : Set.S
31 with type elt = Utils.pos * Equality.equality
32 and type t = Equality_indexing.DT.PosEqSet.t
33 type t = Discrimination_tree.DiscriminationTreeIndexing(PosEqSet).t
37 val index : Index.t -> Equality.equality -> Index.t
38 val remove_index : Index.t -> Equality.equality -> Index.t
39 val in_index : Index.t -> Equality.equality -> bool
41 val match_unif_time_ok : float ref
42 val match_unif_time_no : float ref
43 val indexing_retrieval_time : float ref
44 val init_index : unit -> unit
45 val build_newtarget_time : float ref
47 Cic.metasenv * Cic.context * CicUniv.universe_graph ->
50 (Equality.substitution * Equality.equality) option
51 val superposition_left :
53 Cic.conjecture list * Cic.context * CicUniv.universe_graph ->
56 int * Equality.equality list
58 val superposition_right :
60 'a * Cic.context * CicUniv.universe_graph ->
63 int * Equality.equality list
65 val demodulation_equality :
68 Cic.metasenv * Cic.context * CicUniv.universe_graph ->
70 Utils.equality_sign -> Equality.equality -> int * Equality.equality
71 val demodulation_goal :
73 Cic.metasenv * Cic.context * CicUniv.universe_graph ->
75 (Equality.goal_proof * Equality.old_proof) * Cic.metasenv * Index.key ->
77 ((Equality.goal_proof * Equality.old_proof) * Cic.metasenv * Index.key)
78 val demodulation_theorem :
80 Cic.metasenv * Cic.context * CicUniv.universe_graph ->
82 Cic.term * Index.key * Cic.metasenv ->
83 'a * (Cic.term * Index.key * Cic.metasenv)
86 Equality.equality -> string -> unit