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| RailroadCompany(railroad company) |  | railroad, railroad_line, railway, railway_line, railway_system |
| appearance as argument number 1 |
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| (subclass RailroadCompany TransportationCompany) | Transportation.kif 4902-4902 | Railroad company is a subclass of transportation company |
| (documentation RailroadCompany EnglishLanguage "Any TransportationCompany whose services include Transportation by Train.") | Transportation.kif 4903-4904 | Railroad company is a subclass of transportation company |
| appearance as argument number 2 |
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| antecedent |
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| (=> (instance ?COMPANY RailroadCompany) (exists (?SERVICE ?TRAIN) (and (instance ?SERVICE CommercialService) (agent ?SERVICE ?COMPANY) (instance ?SERVICE Transportation) (instrument ?SERVICE ?TRAIN) (instance ?TRAIN Train)))) |
Transportation.kif 4906-4914 | If X is an instance of railroad company, then there exist Y, Z such that Y is an instance of commercial service, X is an agent of Y, Y is an instance of transportation, Z is an instrument for Y, and Z is an instance of train |
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