sig
type term = Term.term
type literal = Term.literal
type clause = Term.clause
type subst = Subst.subst
type pureness
val get_pureness : Term_attributes.term -> Term_attributes.pureness
val is_universal : Term_attributes.pureness -> bool
val is_mixed : Term_attributes.pureness -> bool
val is_parametric : Term_attributes.pureness -> bool
val is_term_parametric : Term_attributes.term -> bool
val is_propositional : Term_attributes.literal -> bool
val cmp_pureness :
Term_attributes.pureness -> Term_attributes.pureness -> int
val cmp_universality :
Term_attributes.pureness -> Term_attributes.pureness -> int
val depth_of_literal : Term_attributes.literal -> int
val depth_of_term : Term_attributes.term -> int
val depth_of_literal_subst :
Term_attributes.literal -> Term_attributes.subst -> int -> int
val weight_of_literal : Term_attributes.literal -> int
val weight_of_literal_subst :
Term_attributes.literal -> Term_attributes.subst -> int -> int
val weight_of_clause : Term_attributes.clause -> int
end