|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||
ProofChecker | Line # 30 | 0 | 0 | - |
-1.0
|
||||||||||||||||||||||||||||||||||||||||||||||||||||
No Tests | |||
1 | /* This file is part of the project "Hilbert II" - http://www.qedeq.org | |
2 | * | |
3 | * Copyright 2000-2013, Michael Meyling <mime@qedeq.org>. | |
4 | * | |
5 | * "Hilbert II" is free software; you can redistribute | |
6 | * it and/or modify it under the terms of the GNU General Public | |
7 | * License as published by the Free Software Foundation; either | |
8 | * version 2 of the License, or (at your option) any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | */ | |
15 | ||
16 | package org.qedeq.kernel.bo.logic.proof.common; | |
17 | ||
18 | import org.qedeq.kernel.bo.logic.common.LogicalCheckExceptionList; | |
19 | import org.qedeq.kernel.bo.logic.common.ReferenceResolver; | |
20 | import org.qedeq.kernel.se.base.list.Element; | |
21 | import org.qedeq.kernel.se.base.module.FormalProofLineList; | |
22 | import org.qedeq.kernel.se.base.module.Rule; | |
23 | import org.qedeq.kernel.se.common.ModuleContext; | |
24 | ||
25 | /** | |
26 | * A proof checker can check if a formal proof is correct. | |
27 | * | |
28 | * @author Michael Meyling | |
29 | */ | |
30 | public interface ProofChecker { | |
31 | ||
32 | /** | |
33 | * Checks if a formal proof is ok. If there are any errors the returned list | |
34 | * (which is always not <code>null</code>) has a size greater zero. | |
35 | * Precondition is a well formed environment. So every formula must | |
36 | * be well formed, every necessary operator and predicate and function must | |
37 | * exist. | |
38 | * | |
39 | * @param formula Formula we want to proof. | |
40 | * @param proof Check this formal proof. | |
41 | * @param checker Gets defined rule information. | |
42 | * @param context Location information of formal proof. | |
43 | * Important for locating errors. | |
44 | * @param resolver Resolver for references. | |
45 | * @return Collected errors if there are any. Not <code>null</code>. | |
46 | */ | |
47 | public LogicalCheckExceptionList checkProof(final Element formula, | |
48 | final FormalProofLineList proof, final RuleChecker checker, | |
49 | final ModuleContext context, final ReferenceResolver resolver); | |
50 | ||
51 | ||
52 | /** | |
53 | * Checks if a rule declaration is ok for the proof checker. | |
54 | * | |
55 | * @param rule Rule we want to use later on. | |
56 | * @param context Location information rule declaration. | |
57 | * Important for locating errors. | |
58 | * @param checker Gets defined rule information. | |
59 | * @param resolver Resolver for references. | |
60 | * @return Collected errors if there are any. Not <code>null</code>. | |
61 | */ | |
62 | public LogicalCheckExceptionList checkRule(final Rule rule, | |
63 | final ModuleContext context, final RuleChecker checker, | |
64 | final ReferenceResolver resolver); | |
65 | ||
66 | } |
|