(=>
(and
(instance ?COLL Collection)
(instance ?SITE WebSite)
(instance ?AGENT AutonomousAgent)
(instance ?LISTING WebListing)
(instance ?TIME TimePoint)
(listingSeller ?LISTING ?AGENT)
(not
(member ?LISTING ?COLL))
(forall (?ITEM ?MEMBER)
(and
(=>
(and
(instance ?ITEM WebListing)
(member ?ITEM
(SellersItemsFn ?AGENT ?SITE))
(temporalPart ?TIME
(WhenFn ?ITEM))
(not
(equal ?ITEM ?LISTING)))
(member ?ITEM ?COLL))
(=>
(member ?MEMBER ?COLL)
(and
(temporalPart ?TIME
(WhenFn ?ITEM))
(instance ?MEMBER WebListing))))))
(equal
(SellersOtherItemsFn ?AGENT ?SITE ?LISTING ?TIME) ?COLL)) |
UXExperimentalTerms.kif 1033-1060 |
If All of the following hold: (1) X is an instance of collection (2) Y is an instance of web site (3) Z is an instance of agent (4) W is an instance of web listing (5) V is an instance of time point (6) Z sells W (7) W is not a member of X (8) For all Physicals U and T: if U is an instance of web listing, U is a member of items for sale by Z at Y, V is a part of the time of existence of U, and equal U and W, then U is a member of X and if T is a member of X, then V is a part of the time of existence of U and T is an instance of web listing, then equal things for sale by Z not listed in W at Y during V and X |