(=> (Doc.Series-Title $X $Y) (Title $Y)) (=> (= (Doc.Series-Title ?Doc) ?Title) (Or (Book ?Doc) (Proceedings ?Doc))) (Inherited-Facet-Value Same-Slot-Values Book-Reference Ref.Secondary-Title Doc.Series-Title) (=> (Book-Reference ?Ref) (And (Value-Cardinality ?Ref Ref.Document 1) (Value-Type ?Ref Ref.Document Book) (Same-Values ?Ref Ref.Secondary-Author Ref.Series-Editor) (Same-Values ?Ref Ref.Secondary-Title Doc.Series-Title)))