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.
7 * HELM is free software; you can redistribute it and/or
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.
12 * HELM is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * Inference.equality
32 and type t = Equality_indexing.DT.PosEqSet.t
33 type t = Discrimination_tree.DiscriminationTreeIndexing(PosEqSet).t
37 val index : Index.t -> Inference.equality -> Index.t
38 val remove_index : Index.t -> Inference.equality -> Index.t
39 val in_index : Index.t -> Inference.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 ->
49 'a * 'b * ('c * Index.key * Index.key * 'd) * Cic.metasenv * 'e ->
50 bool * Cic.substitution
51 val superposition_left :
53 Cic.metasenv * Cic.context * CicUniv.universe_graph ->
55 'a * Inference.proof *
56 (Index.key * Index.key * Index.key * Utils.comparison) * Cic.metasenv * 'c ->
58 (int * Inference.proof *
59 (Index.key * Index.key * Index.key * Utils.comparison) * Cic.metasenv *
62 val superposition_right :
64 Cic.metasenv * Cic.context * CicUniv.universe_graph ->
66 'a * Inference.proof *
67 (Cic.term * Index.key * Index.key * Utils.comparison) *
68 Cic.metasenv * Cic.term list -> int * Inference.equality list
69 val demodulation_equality :
71 Cic.metasenv * Cic.context * CicUniv.universe_graph ->
73 Utils.equality_sign -> Inference.equality -> int * Inference.equality
74 val demodulation_goal :
76 Cic.metasenv * Cic.context * CicUniv.universe_graph ->
78 Inference.proof * Cic.metasenv * Index.key ->
79 int * (Inference.proof * Cic.metasenv * Index.key)
80 val demodulation_theorem :
82 Cic.metasenv * Cic.context * CicUniv.universe_graph ->
84 Cic.term * Index.key * Cic.metasenv ->
85 'a * (Cic.term * Index.key * Cic.metasenv)