sig
val parsimony_threshold_1 : int Pervasives.ref
val parsimony_threshold_2 : int Pervasives.ref
val p_pn_nnf : ?do_pnf:bool -> Formula.formula -> Formula.formula
val ff_tnf :
?force_parsimony:int ->
(Formula.formula -> Formula.formula -> bool) ->
Formula.formula -> Formula.formula
val promote_rels :
Aux.Strings.t -> Formula.formula -> Formula.formula -> bool
val ffsep :
Aux.Strings.t ->
Aux.Strings.t ->
Formula.formula ->
(Formula.fo_var list * Formula.formula list * Formula.formula) list
end