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   Racquetball
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| appearance as argument number 1 |
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| (documentation Racquetball EnglishLanguage "Racquetball is a type of Sport where a ball is hit with short-handled rackets towards a wall") | Sports.kif 1319-1320 | |
| (subclass Racquetball Sport) | Sports.kif 1318-1318 | Racquetball is a subclass of sport |
| appearance as argument number 2 |
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| (termFormat EnglishLanguage Racquetball "racquetball") | Sports.kif 1321-1321 |
| consequent |
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| (=> (instance ?X RacquetballCourt) (hasPurpose ?X (exists (?PLAY) (and (instance ?PLAY Racquetball) (eventLocated ?PLAY ?X))))) |
Sports.kif 1328-1334 |
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