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FormalProofLine | Line # 24 | 0 | 0 | - |
-1.0
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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 | * Contains a line of a formal proof for a proposition. | |
21 | * | |
22 | * @author Michael Meyling | |
23 | */ | |
24 | public interface FormalProofLine { | |
25 | ||
26 | /** | |
27 | * Get label for this proof line. Used for back references. | |
28 | * | |
29 | * @return Label. | |
30 | */ | |
31 | public String getLabel(); | |
32 | ||
33 | /** | |
34 | * Get formula for this line. | |
35 | * | |
36 | * @return Formula. | |
37 | */ | |
38 | public Formula getFormula(); | |
39 | ||
40 | /** | |
41 | * Get reason for deriving this line. | |
42 | * | |
43 | * @return Reason. | |
44 | */ | |
45 | public Reason getReason(); | |
46 | ||
47 | } |
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