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
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15 * GNU General Public License for more details.
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19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
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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 init_index : unit -> unit
43 Cic.metasenv * Cic.context * CicUniv.universe_graph ->
46 (Subst.substitution * Equality.equality * bool) option
48 Cic.metasenv * Cic.context * CicUniv.universe_graph ->
51 (Subst.substitution * Equality.equality * bool) option
53 val superposition_left :
54 Cic.conjecture list * Cic.context * CicUniv.universe_graph ->
55 Index.t -> Equality.goal -> int ->
56 int * Equality.goal list
58 val superposition_right :
59 ?subterms_only:bool ->
62 'a * Cic.context * CicUniv.universe_graph ->
65 int * Equality.equality list
67 val demodulation_equality :
71 Cic.metasenv * Cic.context * CicUniv.universe_graph ->
73 Equality.equality -> int * Equality.equality
74 val demodulation_goal :
75 Cic.metasenv * Cic.context * CicUniv.universe_graph ->
79 val demodulation_theorem :
81 Cic.metasenv * Cic.context * CicUniv.universe_graph ->
83 Cic.term * Index.key * Cic.metasenv ->
84 'a * (Cic.term * Index.key * Cic.metasenv)
87 Equality.equality -> string -> unit
90 val get_stats: unit -> string