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|
(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * CNRS-Ecole Polytechnique-INRIA Futurs-Universite Paris Sud *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
(* $Id: decl_kinds.ml,v 1.6.2.1 2004/07/16 19:30:33 herbelin Exp $ *)
(* Informal mathematical status of declarations *)
type locality_flag = (*bool (* local = true; global = false *)*)
| Local
| Global
(* Kinds used at parsing time *)
type theorem_kind =
| Theorem
| Lemma
| Fact
| Remark
type definition_object_kind =
| Definition
| Coercion
| SubClass
| CanonicalStructure
type strength = locality_flag (* For compatibility *)
type type_as_formula_kind = Definitional | Logical | Conjectural
(* [assumption_kind]
| Local | Global
------------------------------------
Definitional | Variable | Parameter
Logical | Hypothesis | Axiom
*)
type assumption_kind = locality_flag * type_as_formula_kind
type definition_kind = locality_flag * definition_object_kind
(* Kinds used in proofs *)
type global_goal_kind =
| DefinitionBody
| Proof of theorem_kind
type goal_kind =
| IsGlobal of global_goal_kind
| IsLocal
(* Kinds used in library *)
type local_theorem_kind = LocalStatement
type 'a mathematical_kind =
| IsAssumption of type_as_formula_kind
| IsDefinition
| IsConjecture
| IsProof of 'a
type global_kind = theorem_kind mathematical_kind
type local_kind = local_theorem_kind mathematical_kind
(* Utils *)
let theorem_kind_of_goal_kind = function
| DefinitionBody -> IsDefinition
| Proof s -> IsProof s
|
