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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) *)
(************************************************************************)
open Constr
open Univ
(** Return the set of all universes appearing in [constr]. *)
val universes_of_constr : constr -> LSet.t
(** [restrict_universe_context (univs,csts) keep] restricts [univs] to
the universes in [keep]. The constraints [csts] are adjusted so
that transitive constraints between remaining universes (those in
[keep] and those not in [univs]) are preserved. *)
val restrict_universe_context : ContextSet.t -> LSet.t -> ContextSet.t
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