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(************************************************************************)
(*         *   The Coq Proof Assistant / The Coq Development Team       *)
(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
(* <O___,, *       (see CREDITS file for the list of authors)           *)
(*   \VV/  **************************************************************)
(*    //   *    This file is distributed under the terms of the         *)
(*         *     GNU Lesser General Public License Version 2.1          *)
(*         *     (see LICENSE file for the text of the license)         *)
(************************************************************************)

(** Informal mathematical status of declarations *)

type discharge = DoDischarge | NoDischarge

type locality = Discharge | Local | Global

type binding_kind = Explicit | Implicit

type polymorphic = bool

type private_flag = bool

type cumulative_inductive_flag = bool

type theorem_kind =
  | Theorem
  | Lemma
  | Fact
  | Remark
  | Property
  | Proposition
  | Corollary

type definition_object_kind =
  | Definition
  | Coercion
  | SubClass
  | CanonicalStructure
  | Example
  | Fixpoint
  | CoFixpoint
  | Scheme
  | StructureComponent
  | IdentityCoercion
  | Instance
  | Method
  | Let

type assumption_object_kind = Definitional | Logical | Conjectural

(* [assumption_kind]

                |  Local      | Global
   ------------------------------------
   Definitional |  Variable   | Parameter
   Logical      |  Hypothesis | Axiom

*)
type assumption_kind = locality * polymorphic * assumption_object_kind

type definition_kind = locality * polymorphic * definition_object_kind

(** Kinds used in proofs *)

type goal_object_kind =
  | DefinitionBody of definition_object_kind
  | Proof of theorem_kind

type goal_kind = locality * polymorphic * goal_object_kind

(** Kinds used in library *)

type logical_kind =
  | IsAssumption of assumption_object_kind
  | IsDefinition of definition_object_kind
  | IsProof of theorem_kind