Relation EVERYWHERE-WITHIN

Arity: 2
Subrelation-Of: Within
Axioms:
(=> (Everywhere-Within ?A ?B)
    (Not (Exists (?Z)
                 (And (Exists (?C ?D)
                              (And (Interior ?A ?D)
                                   (Region-Of ?D ?C)
                                   (Wholly-Located ?Z ?C)))
                      (Different ?Z ?B)))))