- type substl-  = t list
- val lift : int -> t -> t
- val liftn : int -> int -> t -> t
- val substnl : substl -> int -> t -> t
- val substl : substl -> t -> t
- val subst1 : t -> t -> t
- val substnl_decl : substl -> int -> rel_declaration -> rel_declaration
- val substl_decl : substl -> rel_declaration -> rel_declaration
- val subst1_decl : t -> rel_declaration -> rel_declaration
- val replace_vars : (Names.Id.t * t) list -> t -> t
- val substn_vars : int -> Names.Id.t list -> t -> t
- val subst_vars : Names.Id.t list -> t -> t
- val subst_var : Names.Id.t -> t -> t
- val noccurn : Evd.evar_map -> int -> t -> bool
- val noccur_between : Evd.evar_map -> int -> int -> t -> bool
- val closedn : Evd.evar_map -> int -> t -> bool
- val closed0 : Evd.evar_map -> t -> bool
- val subst_univs_level_constr : Univ.universe_level_subst -> t -> t
- val subst_of_rel_context_instance : rel_context -> t list -> t list