Wpo.GOALval dummy : tval trivial : tval is_trivial : t -> boolval make : Conditions.sequent -> tval compute : pid:WpPropId.prop_id -> t -> unitval compute_proof : pid:WpPropId.prop_id -> t -> Lang.F.predval compute_descr : pid:WpPropId.prop_id -> t -> Conditions.sequentval get_descr : t -> Conditions.sequentval qed_time : t -> float