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/.
26 exception MatchingFailure
28 (** matching between two terms. Can raise MatchingFailure *)
30 Cic.metasenv -> Cic.metasenv -> Cic.context ->
31 Cic.term -> Cic.term ->
32 CicUniv.universe_graph ->
33 Subst.substitution * Cic.metasenv * CicUniv.universe_graph
36 special unification that checks if the two terms are "simple", and in
37 such case should be significantly faster than CicUnification.fo_unif
40 Cic.metasenv -> Cic.metasenv -> Cic.context ->
41 Cic.term -> Cic.term ->
42 CicUniv.universe_graph ->
43 Subst.substitution * Cic.metasenv * CicUniv.universe_graph
47 scans the context to find all Declarations "left = right"; returns a
48 list of tuples (proof, (type, left, right), newmetas). Uses
49 PrimitiveTactics.new_metasenv_for_apply to replace bound variables with
53 Cic.context -> ProofEngineTypes.proof ->
54 int list * Equality.equality list * int
57 searches the library for equalities that can be applied to the current goal
59 val find_library_equalities:
60 bool -> HMysql.dbd -> Cic.context -> ProofEngineTypes.status -> int ->
61 UriManager.UriSet.t * (UriManager.uri * Equality.equality) list * int
64 searches the library for theorems that are not equalities (returned by the
67 val find_library_theorems:
68 HMysql.dbd -> Utils.environment -> ProofEngineTypes.status ->
69 UriManager.UriSet.t ->
70 (Cic.term * Cic.term * Cic.metasenv) list
73 searches the context for hypotheses that are not equalities
75 val find_context_hypotheses:
76 Utils.environment -> int list -> (Cic.term * Cic.term * Cic.metasenv) list
78 val get_stats: unit -> string