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
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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
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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
36 val index : Index.t -> Equality.equality -> Index.t
37 val remove_index : Index.t -> Equality.equality -> Index.t
38 val in_index : Index.t -> Equality.equality -> bool
40 val init_index : unit -> unit
42 Cic.metasenv * Cic.context * CicUniv.universe_graph ->
45 (Subst.substitution * Equality.equality * bool) option
47 Cic.metasenv * Cic.context * CicUniv.universe_graph ->
50 (Subst.substitution * Equality.equality * bool) option
52 val superposition_left :
53 Cic.conjecture list * Cic.context * CicUniv.universe_graph ->
54 Index.t -> Equality.goal -> int ->
55 int * Equality.goal list
57 val superposition_right :
58 ?subterms_only:bool ->
61 'a * Cic.context * CicUniv.universe_graph ->
64 int * Equality.equality list
66 val demodulation_equality :
70 Cic.metasenv * Cic.context * CicUniv.universe_graph ->
72 Equality.equality -> int * Equality.equality
73 val demodulation_goal :
74 Cic.metasenv * Cic.context * CicUniv.universe_graph ->
78 val demodulation_theorem :
80 Cic.metasenv * Cic.context * CicUniv.universe_graph ->
82 Cic.term * Cic.term * Cic.metasenv ->
83 'a * (Cic.term * Cic.term * Cic.metasenv)
86 Equality.equality -> string -> unit
89 val get_stats: unit -> string