Module UnivSubst
val level_subst_of : Univ.universe_subst_fn -> Univ.universe_level_subst_fnval subst_univs_constraints : Univ.universe_subst_fn -> Univ.Constraints.t -> Univ.Constraints.t
type universe_opt_subst= Univ.Universe.t option Univ.universe_map
val normalize_univ_variables : universe_opt_subst -> universe_opt_subst * Univ.Level.Set.t * Univ.universe_substval normalize_univ_variable_opt_subst : universe_opt_subst -> Univ.Level.t -> Univ.Universe.tval normalize_universe_opt_subst : universe_opt_subst -> Univ.Universe.t -> Univ.Universe.tval normalize_opt_subst : universe_opt_subst -> universe_opt_subst
val nf_evars_and_universes_opt_subst : (Constr.existential -> Constr.constr option) -> universe_opt_subst -> Constr.constr -> Constr.constr