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Formal Language:
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Entity
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| appearance as argument number 1 |
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| (subclass MultipleTrackRailway Railway) | Transportation.kif 362-362 | Multiple track railway is a subclass of railway |
| (documentation MultipleTrackRailway EnglishLanguage "MultipleTrackRailway is the subclass of Railway whose instances consists of two or more sets of tracks running in parallel, allowing motion in both directions along a route without the need for sidings and delays.") | Transportation.kif 363-366 | Multiple track railway is a subclass of railway |
| appearance as argument number 2 |
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| antecedent |
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| (=> (instance ?RAIL MultipleTrackRailway) (exists (?TRACK1 ?TRACK2) (and (instance ?TRACK1 RailroadTrack) (instance ?TRACK2 RailroadTrack) (not (equal ?TRACK1 ?TRACK2)) (part ?TRACK1 ?RAIL) (part ?TRACK2 ?RAIL)))) |
Transportation.kif 368-376 | If X is an instance of multiple track railway, then All of the following hold: (1) there exist Y (2) Z such that Y is an instance of railroad track (3) Z is an instance of railroad track (4) equal Y (5) Z (6) Y is a part of X (7) Z is a part of X |
| consequent |
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| (<=> (lengthOfMultipleTrackRailway ?AREA ?LENGTH) (length (KappaFn ?RAILWAYS (and (instance ?RAILWAYS MultipleTrackRailway) (located ?RAILWAYS ?AREA))) ?LENGTH)) |
Transportation.kif 154-161 | X is a length of multiple track railway of Y if and only if the length of the class described by Z is X |
| (=> (and (lengthOfMultipleTrackRailway ?AREA (MeasureFn ?LENGTH Mile)) (greaterThan ?LENGTH 0)) (exists (?RAILWAY) (and (instance ?RAILWAY MultipleTrackRailway) (located ?RAILWAY ?AREA)))) |
Transportation.kif 163-171 | If X mile(s) is a length of multiple track railway of Y and X is greater than 0, then there exists Z such that Z is an instance of multiple track railway and Z is located at Y |