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| AlbumChart(album chart) |
| appearance as argument number 1 |
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| (subclass AlbumChart MusicChart) | Music.kif 1148-1148 | Album chart is a subclass of music charts |
| (documentation AlbumChart EnglishLanguage "AlbumChart is a type of MusicChart for particular Album.") | Music.kif 1149-1150 | Album chart is a subclass of music charts |
| appearance as argument number 2 |
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| (termFormat EnglishLanguage AlbumChart "album chart") | Music.kif 1151-1151 |
| antecedent |
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| (=> (instance ?X AlbumChart) (exists (?A) (and (instance ?A Album) (inList ?A ?X)))) |
Music.kif 1153-1158 | If X is an instance of album chart, then there exists Y such that Y is an instance of album and Y is a member of X |
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