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  StandardGauge
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| appearance as argument number 1 |
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| (documentation StandardGauge EnglishLanguage "StandardGauge is the attribute of Railways having the standardized track width that is used in North America and most Western European countries. The standard is typically a distance of 4 ft., 8-1/ 2 inches (1.44 meters). There is some variation within which usage is compatible, e.g., 1.35 meters. Standard gauge originated in England and was mandated by the U.S. Federal government for the U.S. Transcontinental Railroad. It is also used in Canada, Great Britain, and most of Western Europe (but not in Ireland, or Spain and Portugal.") | Transportation.kif 416-425 | |
| (externalImage StandardGauge "http://upload.wikimedia.org/wikipedia/commons/ 1/ 1f/ Rail_gauge_world.png") | pictureList.kif 6892-6892 | |
| (instance StandardGauge TrackGauge) | Transportation.kif 415-415 | Standard gauge is an instance of track gauge |
| appearance as argument number 2 |
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| (contraryAttribute BroadGauge StandardGauge NarrowGauge DualGauge) | Transportation.kif 391-391 | Broad gauge is the opposite of standard gauge |
| (termFormat ChineseLanguage StandardGauge "标准规") | domainEnglishFormat.kif 54992-54992 | |
| (termFormat ChineseTraditionalLanguage StandardGauge "標準規") | domainEnglishFormat.kif 54991-54991 | |
| (termFormat EnglishLanguage StandardGauge "standard gauge") | domainEnglishFormat.kif 54990-54990 |
| antecedent |
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| (=> (and (instance ?RR Railway) (property ?RR StandardGauge) (trackWidth ?RR (MeasureFn ?WIDTH Meter))) (greaterThanOrEqualTo ?WIDTH 1.435)) |
Transportation.kif 427-433 |
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| (=> (and (instance ?RR Railway) (property ?RR StandardGauge) (trackWidth ?RR (MeasureFn ?WIDTH Meter))) (lessThanOrEqualTo ?WIDTH 1.44)) |
Transportation.kif 435-441 |
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| consequent |
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| (<=> (instance ?RR StandardGaugeRailway) (property ?RR StandardGauge)) |
Transportation.kif 443-445 | An entity is an instance of standard gauge railway if and only if the entity the attribute standard gauge |
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