1 /* This file is part of the project "Hilbert II" - http://www.qedeq.org" target="alexandria_uri">http://www.qedeq.org
2 *
3 * Copyright 2000-2014, 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 non formal proof for a proposition or rule.
21 *
22 * @author Michael Meyling
23 */
24 public interface Proof {
25
26 /**
27 * Get type of proof. E.g. "informal".
28 *
29 * @return Type of proof.
30 */
31 public String getKind();
32
33 /**
34 * Get level of proof. Higher levels contain additional informations.
35 *
36 * @return Returns the level.
37 */
38 public String getLevel();
39
40 /**
41 * Get proof content.
42 *
43 * @return LaTeX proof text.
44 */
45 public LatexList getNonFormalProof();
46
47 }