(=>
(exportPartnerInPeriod ?AGENT1 ?AGENT2 ?PERIOD)
(exists (?TIME ?EXPORT)
(and
(instance ?TIME ?PERIOD)
(instance ?EXPORT Exporting)
(overlapsTemporally ?TIME
(WhenFn ?EXPORT))
(origin ?EXPORT ?AGENT1)
(destination ?EXPORT ?AGENT2)))) |
Economy.kif 2594-2602 |
If X export partner in period Y for Z, then there exist W, V such that W is an instance of Z, V is an instance of exporting, the time of existence of V overlaps W, V originates at X, and V ends up at Y |