A newspaper is a periodical publication that may be published as frequently as once a day.
(Subclass-Partition Periodical-Publication (Setof Journal Magazine Newspaper)) (Inherited-Facet-Value Slot-Value-Type Newspaper-Article-Reference Ref.Document Newspaper) (=> (Newspaper-Article-Reference ?Ref) (And (Value-Type ?Ref Ref.Document Newspaper) (Value-Cardinality ?Ref Ref.Newspaper-Name 1) (Same-Values ?Ref Ref.Magazine-Name Ref.Periodical) (Value-Cardinality ?Ref Ref.Month 1) (Value-Cardinality ?Ref Ref.Day 1) (Value-Type ?Ref Ref.Address City-Address)))