1 <?xml encoding="ISO-8859-1"?>
3 <!-- Copyright (C) 2000, HELM Team -->
5 <!-- This file is part of HELM, an Hypertextual, Electronic -->
6 <!-- Library of Mathematics, developed at the Computer Science -->
7 <!-- Department, University of Bologna, Italy. -->
9 <!-- HELM is free software; you can redistribute it and/or -->
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17 <!-- GNU General Public License for more details. -->
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22 <!-- MA 02111-1307, USA. -->
24 <!-- For details, see the HELM World-Wide-Web page, -->
25 <!-- http://cs.unibo.it/helm/. -->
27 <!--*****************************************************************-->
28 <!-- DTD FOR CIC OBJECTS AT LEVEL OF MATHML CONTENT: -->
29 <!-- First draft: March 21, Claudio Sacerdoti Coen, Irene Schena -->
30 <!--*****************************************************************-->
32 <!ENTITY % mathml SYSTEM "mathml2.dtd">
36 <!ENTITY % term '(annotation|%math.qname;)'>
40 <!ELEMENT annotation (#PCDATA|annotation|%math.qname;)*>
42 xmlns:m CDATA #REQUIRED>
46 <!ELEMENT Definition (Params,body,type)>
49 xmlns:m CDATA #REQUIRED>
51 <!ELEMENT Axiom (Params,type)>
54 xmlns:m CDATA #REQUIRED>
56 <!ELEMENT CurrentProof (Conjecture*,body,type)>
57 <!ATTLIST CurrentProof
59 xmlns:m CDATA #REQUIRED>
61 <!ELEMENT InductiveDefinition (Params,Param*,InductiveType+)>
62 <!ATTLIST InductiveDefinition
63 xmlns:m CDATA #REQUIRED>
65 <!ELEMENT Variable (type)>
68 xmlns:m CDATA #REQUIRED>
70 <!-- Elements used in CIC objects, which are not terms: -->
72 <!ELEMENT InductiveType (arity,Constructor*)>
73 <!ATTLIST InductiveType
75 inductive (true|false) #REQUIRED>
77 <!ELEMENT Conjecture %term;>
81 <!ELEMENT Constructor %term;>
85 <!ELEMENT Param %term;>
89 <!ELEMENT Params (#PCDATA)*>
91 <!-- Sintactic sugar for CIC objects: -->
93 <!ELEMENT type %term;>
95 <!ELEMENT arity %term;>
97 <!ELEMENT body %term;>