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ConditionalProof | Line # 33 | 0 | 0 | - |
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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.se.base.module; | |
17 | ||
18 | ||
19 | /** | |
20 | * Usage of conditional proof method. If you can derive the proposition A out of | |
21 | * the assumed formulas then the following formula is true: | |
22 | * conjunction of the assumed formulas implies A | |
23 | * <pre> | |
24 | * H hypothesis | |
25 | * ------------------- | |
26 | * A | |
27 | * --------------- | |
28 | * H -> A | |
29 | * </pre> | |
30 | * | |
31 | * @author Michael Meyling | |
32 | */ | |
33 | public interface ConditionalProof extends Reason, FormalProofLine { | |
34 | ||
35 | /** | |
36 | * Get this reason. | |
37 | * | |
38 | * @return This reason. | |
39 | */ | |
40 | public ConditionalProof getConditionalProof(); | |
41 | ||
42 | /** | |
43 | * Get hypothesis. | |
44 | * | |
45 | * @return Hypothesis. | |
46 | */ | |
47 | public Hypothesis getHypothesis(); | |
48 | ||
49 | /** | |
50 | * Get proof that can use the hypothesis. | |
51 | * | |
52 | * @return Conditional proof. | |
53 | */ | |
54 | public FormalProofLineList getFormalProofLineList(); | |
55 | ||
56 | ||
57 | /** | |
58 | * Get conclusion. This is a newly proven formula. | |
59 | * | |
60 | * @return Reference to proved formula. | |
61 | */ | |
62 | public Conclusion getConclusion(); | |
63 | ||
64 | } |
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