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| appearance as argument number 1 |
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| (instance SouthernHemisphere Hemisphere) | Geography.kif 4872-4872 | Southern hemisphere is an instance of hemisphere |
| (documentation SouthernHemisphere EnglishLanguage "The half of the Earth that lies below the equator.") | Geography.kif 4873-4874 | Southern hemisphere is an instance of hemisphere |
| (externalImage SouthernHemisphere "http://upload.wikimedia.org/wikipedia/ commons/ 8/ 82/ Southern_Hemisphere_LamAz.png") | pictureList.kif 1994-1994 | Southern hemisphere is an instance of hemisphere |
| appearance as argument number 2 |
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| consequent |
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| (<=> (instance ?HEMISPHERE Hemisphere) (or (equal ?HEMISPHERE NorthernHemisphere) (equal ?HEMISPHERE SouthernHemisphere) (equal ?HEMISPHERE EasternHemisphere) (equal ?HEMISPHERE WesternHemisphere))) |
Geography.kif 4884-4890 | X is an instance of hemisphere if, only if equal X, northern hemisphere, equal X, southern hemisphere, equal X, eastern hemisphere, or equal X, and western hemisphere |
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