(=>
(instance ?D Discography)
(exists (?M ?AC)
(and
(instance ?M CognitiveAgent)
(attribute ?M ?AC)
(instance ?AC Musician)
(forall (?X)
(=>
(member ?X ?D)
(exists (?I ?T ?R ?DS)
(and
(musician ?X ?M ?I)
(releaseForSale
(AlbumCopiesFn ?X ?DS) ?R ?T)))))))) |
Music.kif 67-80 |
If X is an instance of discography, then All of the following hold: (1) there exist Y (2) Z such that Y is an instance of cognitive agent (3) Z is an attribute of Y (4) Z is an instance of musician (5) W W is a member of Xthere exist V, U,, , T (6) S such that Y plays V in W (7) the set of copies on S of W was released for sale in T at U |