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Formal Language:
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SubwaySystem(subway)
| metro, subway, subway_system, tube, underground |
| appearance as argument number 1 |
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| (subclass SubwaySystem RailTransportationSystem) | Transportation.kif 318-318 | Subway is a subclass of rail transportation system |
| (documentation SubwaySystem EnglishLanguage "Any RailTransportationSystem that runs exclusively through Tunnels.") | Transportation.kif 319-320 | Subway is a subclass of rail transportation system |
| (externalImage SubwaySystem "http://upload.wikimedia.org/wikipedia/commons/ f/ fb/ Metro_Center_upper_level.jpg") | pictureList.kif 884-884 | Subway is a subclass of rail transportation system |
| (externalImage SubwaySystem "http://upload.wikimedia.org/wikipedia/commons/ 0/ 08/ London_Underground_Zone_1.png") | pictureList.kif 1502-1502 | Subway is a subclass of rail transportation system |
| appearance as argument number 2 |
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| antecedent |
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| (=> (and (instance ?S SubwaySystem) (routeInSystem ?P ?S)) (instance ?P Tunnel)) |
Transportation.kif 322-326 | If X is an instance of subway and X is a route in system of Y, then Y is an instance of tunnel |
| (=> (instance ?X SubwaySystem) (exists (?SURF) (and (surface ?SURF GeographicArea) (orientation ?X ?SURF Below)))) |
Transportation.kif 328-333 | If X is an instance of subway, then there exists Y such that Y is a surface of geographic area and X is below to Y |
| (=> (instance ?X SubwaySystem) (hasPurpose ?X (exists (?EV ?P) (and (instance ?EV Transportation) (instance ?P Human) (patient ?EV ?P) (eventLocated ?EV ?X))))) |
Transportation.kif 335-343 | If X is an instance of subway, then X has the purpose there exist Y, Z such that Y is an instance of transportation, Z is an instance of human, Z is a patient of Y, and Y is located at X |