1 (* Copyright (C) 2004, 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://helm.cs.unibo.it/
26 module StringSet : Set.S with type elt = string
28 (** @return <main, constants>
29 * main: constant in main position and, for polymorphic constants, type
31 * constants: constants appearing in term *)
32 type term_signature = (string * string list) option * StringSet.t
34 (** {2 Candidates filtering} *)
36 (** @return sorted list of theorem URIs, first URIs in the least have higher
38 val cmatch: dbh:Dbi.connection -> Cic.term -> string list
40 (** as cmatch, but returned list is not sorted but rather tagged with
41 * relevance information: higher the tag, higher the relevance *)
42 val cmatch': dbh:Dbi.connection -> Cic.term -> (int * string) list
44 val sigmatch: dbh:Dbi.connection -> term_signature -> (int * string) list
46 (** {2 Constraint engine} *)
48 (** constraing on the number of distinct constants *)
49 type cardinality_condition =
53 (** @param concl_card cardinality condition on conclusion only
54 * @param full_card cardinality condition on the whole statement
55 * @return list of URI satisfying given constraints *)
58 ?concl_card:cardinality_condition ->
59 ?full_card:cardinality_condition ->
60 MetadataTypes.metadata list ->
63 val signature_of: Cic.term -> term_signature
64 val constants_of: Cic.term -> StringSet.t