X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fdtd%2Fcic.dtd;h=47280b845aa191e8359c5ae42b109340679dfc98;hb=2f28bfb47f5fad6b3c5a705d9ede95700416dee8;hp=0a90d9e908fe367780af3bfc0a7d2b418ccca933;hpb=8e1a7e55cbc7750446f0a7ab3d071190594243fb;p=helm.git

diff --git a/helm/dtd/cic.dtd b/helm/dtd/cic.dtd
index 0a90d9e90..47280b845 100644
--- a/helm/dtd/cic.dtd
+++ b/helm/dtd/cic.dtd
@@ -42,6 +42,9 @@
 
 <!ENTITY % sort '(Prop|Set|Type)'>
 
+<!-- CIC sequents -->
+
+<!ENTITY % sequent '((Decl|Def|Hidden)*,Goal)'>
 
 <!-- CIC objects: -->
 
@@ -74,6 +77,11 @@
           name CDATA #REQUIRED
           id   ID    #REQUIRED>
 
+<!ELEMENT Sequent %sequent;>
+<!ATTLIST Sequent
+          no  NMTOKEN #REQUIRED
+          id  ID      #REQUIRED>
+
 <!-- Elements used in CIC objects, which are not terms: -->
 
 <!ELEMENT InductiveType (arity,Constructor*)>
@@ -81,14 +89,31 @@
           name      CDATA        #REQUIRED
           inductive (true|false) #REQUIRED>
 
-<!ELEMENT Conjecture %term;>
+<!ELEMENT Conjecture %sequent;>
 <!ATTLIST Conjecture
-          no NMTOKEN #REQUIRED>
+          no NMTOKEN #REQUIRED
+          id ID      #REQUIRED>
 
 <!ELEMENT Constructor %term;>
 <!ATTLIST Constructor
           name CDATA #REQUIRED>
 
+<!ELEMENT Decl %term;>
+<!ATTLIST Decl
+          name CDATA #IMPLIED
+          id   ID    #REQUIRED>
+
+<!ELEMENT Def %term;>
+<!ATTLIST Def
+          name CDATA #IMPLIED
+          id   ID    #REQUIRED>
+
+<!ELEMENT Hidden EMPTY>
+<!ATTLIST Hidden
+          id ID #REQUIRED>
+
+<!ELEMENT Goal %term;>
+
 <!-- CIC terms: -->
 
 <!ELEMENT LAMBDA (source,target)>
@@ -134,11 +159,14 @@
           id     ID     #REQUIRED
           sort   %sort; #REQUIRED>
 
-<!ELEMENT META EMPTY>
+<!-- The substitutions are ordered by increasing DeBrujin  -->
+<!-- index. An empty substitution means that that index is -->
+<!-- not accessible.                                       -->
+<!ELEMENT META (substitution*)>
 <!ATTLIST META
-          no   NMTOKEN #REQUIRED
-          id   ID      #REQUIRED
-          sort %sort;  #REQUIRED>
+          no              NMTOKEN #REQUIRED
+          id              ID      #REQUIRED
+          sort            %sort;  #REQUIRED>
 
 <!ELEMENT IMPLICIT EMPTY>
 <!ATTLIST IMPLICIT
@@ -194,6 +222,8 @@
 <!ATTLIST CofixFunction
           name     CDATA   #REQUIRED>
 
+<!ELEMENT substitution ((%term;)?)>
+
 <!-- Sintactic sugar for CIC terms and for CIC objects: -->
 
 <!ELEMENT source %term;>