sig
val from_hooks : unit -> Literal.Conv.hook_from list
val add_from_hook : Literal.Conv.hook_from -> unit
val to_hooks : unit -> Literal.Conv.hook_to list
val add_to_hook : Literal.Conv.hook_to -> unit
val of_form :
Libzipperposition.FOTerm.t Libzipperposition.SLiteral.t -> Literal.t
val to_form :
Literal.t -> Libzipperposition.FOTerm.t Libzipperposition.SLiteral.t
end