<!--*****************************************************************-->
<!-- DTD FOR THEORY OBJECTS AT LEVEL OF CIC XML FILES: -->
<!-- First draft: May 10 2000, Claudio Sacerdoti Coen, Irene Schena -->
+<!-- Revised: February 2001, Claudio Sacerdoti Coen -->
+<!-- Revised: May 01 2001, Claudio Sacerdoti Coen -->
<!--*****************************************************************-->
-<!-- manca il semplice enunciato -->
-<!-- mancano i link ad altre teorie? (corrispondenti a Require?) -->
-<!-- una teoria "vuota" e' una teoria? -->
-<!ENTITY % mathstructure '(THEOREM|LEMMA|COROLLARY|AXIOM|FACT|DEFINITION|
- VARIABLE|SECTION)*'>
-<!ELEMENT Theory (%mathstructure;)>
-<!ATTLIST Theory
- uri CDATA #REQUIRED>
-
-<!ELEMENT THEOREM EMPTY>
-<!ATTLIST THEOREM
- id IDREF #REQUIRED
- uri CDATA #REQUIRED>
+<!--*****************************************************************-->
+<!-- Note: the intended meaning for this markup is to be embedded -->
+<!-- into other types of markup (e.g. XHTML or DocBook). Hence, the -->
+<!-- DTD is only "indicative" and no root element is provided. -->
+<!--*****************************************************************-->
-<!ELEMENT LEMMA EMPTY>
-<!ATTLIST LEMMA
- id IDREF #REQUIRED
- uri CDATA #REQUIRED
- target IDREF #REQUIRED>
+<!ENTITY % mathstructure
+ '(ht:AXIOM|ht:DEFINITION|ht:THEOREM|ht:VARIABLE|ht:SECTION|ht:MUTUAL)*'>
-<!ELEMENT COROLLARY EMPTY>
-<!ATTLIST COROLLARY
- id IDREF #REQUIRED
- uri CDATA #REQUIRED
- target IDREF #REQUIRED>
+<!ELEMENT ht:OBJECT EMPTY>
+<!ATTLIST ht:OBJECT
+ uri CDATA #REQUIRED
+ mode (typeonly|embed|linkonly) #REQUIRED>
-<!ELEMENT AXIOM EMPTY>
-<!ATTLIST AXIOM
- id IDREF #REQUIRED
- uri CDATA #REQUIRED>
+<!ELEMENT ht:AXIOM EMPTY>
+<!ATTLIST ht:AXIOM
+ uri CDATA #REQUIRED
+ as (Axiom|Declaration) #REQUIRED
+ typesetting ( paragraph | inline ) paragraph
+ heading ( true | false ) true
+ uri_base ( true | false ) true
+ notation ( true | false ) false
+ params ( true | false ) false
+ type ( true | false ) true >
-<!ELEMENT FACT EMPTY>
-<!ATTLIST FACT
- id IDREF #REQUIRED
- uri CDATA #REQUIRED>
+<!ELEMENT ht:DEFINITION EMPTY>
+<!ATTLIST ht:DEFINITION
+ uri CDATA #REQUIRED
+ as (Definition|InteractiveDefinition|Inductive|CoInductive
+ |Record) #REQUIRED
+ <!-- Should the definition take a whole new paragraph
+ or be integrated in the sentence? -->
+ typesetting ( paragraph | inline ) paragraph
+ <!-- Include the text "Definition "? -->
+ heading ( true | false ) true
+ <!-- Include the name of the definition, i.e.
+ the non-path part of its URI? -->
+ uri_base ( true | false ) true
+ <!-- Include the notation for this object? -->
+ notation ( true | false ) false
+ <!-- Include the section parameters / variables of
+ this definition? -->
+ params ( true | false ) false
+ <!-- For parametrised (co)inductive definitions,
+ include the parameters of the definition? -->
+ Params ( true | false ) true
+ <!-- Show the type? -->
+ type ( true | false ) true
+ <!-- Show the body? -->
+ body ( true | false ) true >
-<!ELEMENT DEFINITION EMPTY>
-<!ATTLIST DEFINITION
- uri CDATA #REQUIRED>
+<!ELEMENT ht:THEOREM EMPTY>
+<!ATTLIST ht:THEOREM
+ uri CDATA #REQUIRED
+ as (Theorem|Lemma|Corollary|Fact|Remark) #REQUIRED
+ typesetting ( paragraph | inline ) paragraph
+ heading ( true | false ) true
+ uri_base ( true | false ) true
+ notation ( true | false ) false
+ params ( true | false ) false
+ type ( true | false ) true
+ body ( true | false ) true >
-<!ELEMENT VARIABLE EMPTY>
-<!ATTLIST VARIABLE
- uri CDATA #REQUIRED>
+<!ELEMENT ht:VARIABLE EMPTY>
+<!ATTLIST ht:VARIABLE
+ uri CDATA #REQUIRED
+ as (Assumption|Hypothesis|LocalDefinition|LocalFact) #REQUIRED
+ typesetting ( paragraph | inline ) paragraph
+ heading ( true | false ) true
+ uri_base ( true | false ) true
+ notation ( true | false ) false
+ params ( true | false ) false
+ Params ( true | false ) true
+ type ( true | false ) true
+ body ( true | false ) true >
-<!ELEMENT SECTION (%mathstructure;)>
-<!ATTLIST SECTION
+<!ELEMENT ht:SECTION (%mathstructure;)>
+<!ATTLIST ht:SECTION
uri CDATA #REQUIRED>
-<!--
- VINCOLI DI VALIDITA' NON ESPRIMIBILI NEL DTD:
- Siano V una variabile e T,T' due fatti/definizioni/teoremi/lemmi/corollari
-
- - per visualizzare T dipendente da T' dove T' e T sono definiti nella stessa
- (da definirsi) teoria/sezione, debbo visualizzare anche T'?
- - per visualizzare T dipendente da T' dove anche T' e' visualizzato, debbo
- visualizzare T necessariamente dopo T'?
- + consistenza fra la dipendenza dei lemmi e dei corollari dal loro target
- e quella effettiva data dal livello degli oggetti
- + tutte le URI debbono essere relative e discendenti (= non contenti "..")
- +? ogni lemma deve precedere (strettamente?) il suo target
- +? ogni corollario deve seguire (strettamente?) il suo target
- + se T/V dipende da V, allora V deve essere visualizzata
- + se T/V dipende da V, allora V deve essere visualizzata prima di T
- PROBLEMA: NON ABBIAMO INFORMAZIONI SULLA DIPENDENZA DI V DA V!!!
--->
+(*CSC: In the case of a set of mutual (Co)Inductive DEFINITIONS, *)
+(*CSC: all the entries inside ht:MUTUAL have the same URI ;-| *)
+<!ELEMENT ht:MUTUAL (ht:DEFINITION,ht:DEFINITION+)>
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