--- /dev/null
+(* Copyright (C) 2000, HELM Team.
+ *
+ * This file is part of HELM, an Hypertextual, Electronic
+ * Library of Mathematics, developed at the Computer Science
+ * Department, University of Bologna, Italy.
+ *
+ * HELM is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * HELM is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with HELM; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA 02111-1307, USA.
+ *
+ * For details, see the HELM World-Wide-Web page,
+ * http://cs.unibo.it/helm/.
+ *)
+
+(**************************************************************************)
+(* *)
+(* PROJECT HELM *)
+(* *)
+(* Andrea Asperti <asperti@cs.unibo.it> *)
+(* 16/6/2003 *)
+(* *)
+(**************************************************************************)
+
+(* $Id$ *)
+
+type id = string;;
+type joint_recursion_kind =
+ [ `Recursive of int list
+ | `CoRecursive
+ | `Inductive of int (* paramsno *)
+ | `CoInductive of int (* paramsno *)
+ ]
+;;
+
+type var_or_const = Var | Const;;
+
+type 'term declaration =
+ { dec_name : string option;
+ dec_id : id ;
+ dec_inductive : bool;
+ dec_aref : string;
+ dec_type : 'term
+ }
+;;
+
+type 'term definition =
+ { def_name : string option;
+ def_id : id ;
+ def_aref : string ;
+ def_term : 'term ;
+ def_type : 'term
+ }
+;;
+
+type 'term inductive =
+ { inductive_id : id ;
+ inductive_name : string;
+ inductive_kind : bool;
+ inductive_type : 'term;
+ inductive_constructors : 'term declaration list
+ }
+;;
+
+type 'term decl_context_element =
+ [ `Declaration of 'term declaration
+ | `Hypothesis of 'term declaration
+ ]
+;;
+
+type ('term,'proof) def_context_element =
+ [ `Proof of 'proof
+ | `Definition of 'term definition
+ ]
+;;
+
+type ('term,'proof) in_joint_context_element =
+ [ `Inductive of 'term inductive
+ | 'term decl_context_element
+ | ('term,'proof) def_context_element
+ ]
+;;
+
+type ('term,'proof) joint =
+ { joint_id : id ;
+ joint_kind : joint_recursion_kind ;
+ joint_defs : ('term,'proof) in_joint_context_element list
+ }
+;;
+
+type ('term,'proof) joint_context_element =
+ [ `Joint of ('term,'proof) joint ]
+;;
+
+type 'term proof =
+ { proof_name : string option;
+ proof_id : id ;
+ proof_context : 'term in_proof_context_element list ;
+ proof_apply_context: 'term proof list;
+ proof_conclude : 'term conclude_item
+ }
+
+and 'term in_proof_context_element =
+ [ 'term decl_context_element
+ | ('term,'term proof) def_context_element
+ | ('term,'term proof) joint_context_element
+ ]
+
+and 'term conclude_item =
+ { conclude_id : id;
+ conclude_aref : string;
+ conclude_method : string;
+ conclude_args : ('term arg) list ;
+ conclude_conclusion : 'term option
+ }
+
+and 'term arg =
+ Aux of string
+ | Premise of premise
+ | Lemma of lemma
+ | Term of bool * 'term
+ | ArgProof of 'term proof
+ | ArgMethod of string (* ???? *)
+
+and premise =
+ { premise_id: id;
+ premise_xref : string ;
+ premise_binder : string option;
+ premise_n : int option;
+ }
+
+and lemma =
+ { lemma_id: id;
+ lemma_name: string;
+ lemma_uri: string
+ }
+
+;;
+
+type 'term conjecture = id * int * 'term context * 'term
+
+and 'term context = 'term hypothesis list
+
+and 'term hypothesis =
+ ['term decl_context_element | ('term,'term proof) def_context_element ] option
+;;
+
+type 'term in_object_context_element =
+ [ `Decl of var_or_const * 'term decl_context_element
+ | `Def of var_or_const * 'term * ('term,'term proof) def_context_element
+ | ('term,'term proof) joint_context_element
+ ]
+;;
+
+type 'term cobj =
+ id * (* id *)
+ UriManager.uri list * (* params *)
+ 'term conjecture list option * (* optional metasenv *)
+ 'term in_object_context_element (* actual object *)
+;;