| UnpoweredVehicle(unpowered vehicle) |
| appearance as argument number 1 |
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| (subclass UnpoweredVehicle Vehicle) | Transportation.kif 1938-1938 | Unpowered vehicle is a subclass of vehicle |
| (documentation UnpoweredVehicle EnglishLanguage "A Vehicle that lacks a powerComponent. It coasts like a glider or skateboard, thus deriving its power from the potential energy of gravity, or by the power of its agent, as in a bicycle.") | Transportation.kif 1939-1941 | Unpowered vehicle is a subclass of vehicle |
| appearance as argument number 2 |
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| antecedent |
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| (=> (instance ?UV UnpoweredVehicle) (not (exists (?P) (powerComponent ?P ?UV)))) |
Transportation.kif 1942-1946 | If X is an instance of unpowered vehicle, then there doesn't exist Y such that X is a power component of Y |
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