1 (* Copyright (C) 2004, 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.
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8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
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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
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19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
22 * For details, see the HELM World-Wide-Web page,
23 * http://helm.cs.unibo.it/
26 open CicTextualParser2
31 [ t1 = term; SYMBOL <:unicode<lor>> (* ∨ *); t2 = term ->
32 return_term loc (CicAst.Appl [CicAst.Symbol ("or", 0); t1; t2])
37 [ t1 = term; SYMBOL <:unicode<land>> (* ∧ *); t2 = term ->
38 return_term loc (CicAst.Appl [CicAst.Symbol ("and", 0); t1; t2])
43 [ SYMBOL <:unicode<lnot>> (* ¬ *); t = term ->
44 return_term loc (CicAst.Appl [CicAst.Symbol ("not", 0); t])
49 (* TODO a lot of hard coded URIs, move them in HelmLibraryObjects *)
52 (* TODO cut-and-pasted code: here, in arit_notation.ml and
53 * disambiguateChoices.ml *)
54 let uri s = UriManager.uri_of_string s in
55 let const s = Cic.Const (uri s, []) in
56 let mutind s = Cic.MutInd (uri s, 0, []) in
57 DisambiguateChoices.add_symbol_choice "eq"
58 ("leibnitz's equality",
63 | _ -> raise DisambiguateChoices.Invalid_choice
66 Cic.MutInd (HelmLibraryObjects.Logic.eq_URI, 0, []);
67 Cic.Implicit (Some `Type); t1; t2
69 DisambiguateChoices.add_symbol_choice "eq"
70 ("equality over objects with sort Type",
75 | _ -> raise DisambiguateChoices.Invalid_choice
78 Cic.MutInd (HelmLibraryObjects.Logic_Type.eqt_URI, 0, []);
79 Cic.Implicit (Some `Type); t1; t2
81 DisambiguateChoices.add_binary_op "and" "logical and"
82 (mutind "cic:/Coq/Init/Logic/and.ind");
83 DisambiguateChoices.add_binary_op "or" "logical or"
84 (mutind "cic:/Coq/Init/Logic/or.ind");
85 DisambiguateChoices.add_unary_op "not" "logical not"
86 (const "cic:/Coq/Init/Logic/not.con");