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Sigma KEE - GeographicArea
GeographicArea

appearance as argument number 1
-------------------------


(documentation GeographicArea ChineseLanguage "这是一个地理位置，它一般拥有明确的界限。注：这个和它 直接的超类别 Region 的区别在于，GeographicArea 是地球的三维 Region。因此除了地球以外，所有的 天文物体与一维和二维 Region 都不被列入 GeographicArea。") chinese_format.kif 1435-1437
(documentation GeographicArea EnglishLanguage "A geographic location, generally having definite boundaries. Note that this differs from its immediate superclass Region in that a GeographicArea is a three-dimensional Region of the earth. Accordingly, all astronomical objects other than earth and all one-dimensional and two-dimensional Regions are not classed under GeographicArea.") Merge.kif 13362-13367
(externalImage GeographicArea "http://upload.wikimedia.org/wikipedia/commons/ d/ d2/ Geabios3d.jpg") pictureList.kif 8504-8504
(partition GeographicArea WaterArea LandArea) Merge.kif 13361-13361
(subclass GeographicArea Region) Merge.kif 13360-13360

appearance as argument number 2
-------------------------


(disjoint AstronomicalBody GeographicArea) Merge.kif 13352-13352
(disjoint SpaceRegion GeographicArea) Mid-level-ontology.kif 8479-8479
(instance AntarcticArea GeographicArea) Geography.kif 3504-3504
(instance ArcticRegion GeographicArea) Geography.kif 3442-3442
(instance BetLidJunctionIsrael GeographicArea) CountriesAndRegions.kif 2645-2645
(instance BishkekKyrgyzstan GeographicArea) CountriesAndRegions.kif 3595-3595
(instance BosphorousStraitsTurkey GeographicArea) CountriesAndRegions.kif 2670-2670
(instance BwindiforestUganda GeographicArea) CountriesAndRegions.kif 2687-2687
(instance CaribbeanRegion GeographicArea) Geography.kif 93-93
(instance CentralAfrica GeographicArea) Geography.kif 78-78
(instance CentralAsia GeographicArea) Geography.kif 100-100
(instance CentralEurope GeographicArea) Geography.kif 84-84
(instance CentralSouthAmerica GeographicArea) Geography.kif 95-95
(instance ClarkAirbasePhilippines GeographicArea) CountriesAndRegions.kif 2732-2732
(instance DangDistrictNepal GeographicArea) CountriesAndRegions.kif 2767-2767
(instance DistrictOfMansehraPakistan GeographicArea) CountriesAndRegions.kif 2788-2788
(instance DushanbeAirportTajikistan GeographicArea) CountriesAndRegions.kif 2809-2809
(instance EasternAfrica GeographicArea) Geography.kif 79-79
(instance EasternAsia GeographicArea) Geography.kif 101-101
(instance EasternEurope GeographicArea) Geography.kif 85-85
(instance EasternSouthAmerica GeographicArea) Geography.kif 96-96
(instance England GeographicArea) Geography.kif 6476-6476
(instance FethiyeAndMarmarisTurkey GeographicArea) CountriesAndRegions.kif 2840-2840
(instance FloridaUnitedStates GeographicArea) CountriesAndRegions.kif 2843-2843
(instance GazaStrip GeographicArea) CountriesAndRegions.kif 1389-1389

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appearance as argument number 3
-------------------------


(domain BorderFn 1 GeographicArea) Geography.kif 687-687
(domain BorderFn 2 GeographicArea) Geography.kif 688-688
(domain DatumFn 1 GeographicArea) Geography.kif 4643-4643
(domain DemonymFn 1 GeographicArea) Mid-level-ontology.kif 29045-29045
(domain DirectionalSubregionFn 2 GeographicArea) Geography.kif 478-478
(domain ElevationHighPointFn 1 GeographicArea) Geography.kif 1928-1928
(domain ElevationLowPointFn 1 GeographicArea) Geography.kif 1904-1904
(domain GeographicCenterFn 1 GeographicArea) Geography.kif 335-335
(domain GeographicPartTypeFn 2 GeographicArea) Geography.kif 6444-6444
(domain Mean10MinutesWindSpeedFn 1 GeographicArea) Weather.kif 2211-2211
(domain Mean1MinuteWindSpeedFn 1 GeographicArea) Weather.kif 2316-2316
(domain Mean2MinutesWindSpeedFn 1 GeographicArea) Weather.kif 2281-2281
(domain Mean3MinutesWindSpeedFn 1 GeographicArea) Weather.kif 2246-2246
(domain Mean3SecondWindSpeedFn 1 GeographicArea) Weather.kif 1898-1898
(domain Mean3SecondWindSpeedListFn 1 GeographicArea) Weather.kif 1986-1986
(domain SeacoastFn 1 GeographicArea) Geography.kif 5893-5893
(domain ShorelineFn 1 GeographicArea) Geography.kif 5950-5950
(domain ThreeSecondGustSpeedFn 1 GeographicArea) Weather.kif 2026-2026
(domain agentOperatesInArea 2 GeographicArea) Government.kif 2222-2222
(domain arableLandArea 1 GeographicArea) Geography.kif 2043-2043
(domain areaOfResponsibility 3 GeographicArea) Mid-level-ontology.kif 21402-21402
(domain averagePrecipitationForPeriod 1 GeographicArea) Weather.kif 1220-1220
(domain averageRainfallForPeriod 1 GeographicArea) Geography.kif 1295-1295
(domain averageTemperatureForPeriod 1 GeographicArea) Weather.kif 985-985
(domain beliefGroupPercentInRegion 3 GeographicArea) People.kif 1530-1530

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antecedent
-------------------------


(=>
    (and
        (elevation ?OBJECT ?HEIGHT)
        (located ?OBJECT ?PLACE)
        (instance ?PLACE GeographicArea))
    (superficialPart ?PLACE PlanetEarth))		 Geography.kif 1878-1883
(=>
    (and
        (holdsDuring ?T1
            (and
                (attribute ?PERSON DislocatedCivilian)
                (inhabits ?PERSON ?RESIDENCE)
                (located ?RESIDENCE ?PLACE)))
        (instance ?PLACE GeographicArea)
        (instance ?T1 TimeInterval))
    (exists (?T0 ?PRIOR-PLACE ?PRIOR-RES)
        (and
            (instance ?T0 TimeInterval)
            (earlier ?T0 ?T1)
            (instance ?PRIOR-RES Object)
            (instance ?PRIOR-PLACE GeopoliticalArea)
            (located ?PRIOR-RES ?PRIOR-PLACE)
            (not
                (equal ?PLACE ?PRIOR-PLACE))
            (not
                (equal ?RESIDENCE ?PRIOR-RES))
            (not
                (geographicSubregion ?PLACE ?PRIOR-PLACE))
            (not
                (geographicSubregion ?PRIOR-PLACE ?PLACE))
            (holdsDuring ?T0
                (inhabits ?PERSON ?PRIOR-RES)))))		 MilitaryPersons.kif 26-47
(=>
    (and
        (instance
            (BorderFn ?COUNTRY1 ?COUNTRY2) GeographicArea)
        (instance ?COUNTRY1 Nation)
        (instance ?COUNTRY2 Nation))
    (instance
        (BorderFn ?COUNTRY1 ?COUNTRY2) InternationalBorder))		 Geography.kif 704-709
(=>
    (and
        (instance ?AREA GeographicArea)
        (attribute ?REGION ?ATTRIBUTE)
        (instance ?ATTRIBUTE TerrainAttribute)
        (partlyLocated ?REGION ?AREA))
    (terrainInArea ?AREA ?ATTRIBUTE))		 Geography.kif 1698-1704
(=>
    (and
        (instance ?AREA GeographicArea)
        (geographicSubregion
            (ElevationHighPointFn ?AREA) ?AREA)
        (elevation
            (ElevationHighPointFn ?AREA) ?ELEV1))
    (not
        (exists (?OTHER ?ELEV2)
            (and
                (geographicSubregion ?OTHER ?AREA)
                (not
                    (equal ?OTHER
                        (ElevationHighPointFn ?AREA)))
                (elevation ?OTHER ?ELEV2)
                (greaterThan ?ELEV2 ?ELEV1)))))		 Geography.kif 1935-1946
(=>
    (and
        (instance ?AREA GeographicArea)
        (geographicSubregion
            (ElevationLowPointFn ?AREA) ?AREA)
        (instance ?U UnitOfLength)
        (elevation
            (ElevationLowPointFn ?AREA)
            (MeasureFn ?ELEV1 ?U)))
    (not
        (exists (?OTHER ?ELEV2)
            (and
                (geographicSubregion ?OTHER ?AREA)
                (not
                    (equal ?OTHER
                        (ElevationLowPointFn ?AREA)))
                (elevation ?OTHER
                    (MeasureFn ?ELEV2 ?U))
                (lessThan ?ELEV2 ?ELEV1)))))		 Geography.kif 1911-1925
(=>
    (and
        (instance ?AREA GeographicArea)
        (instance ?BLOW VolcanicEruption)
        (eventLocated ?BLOW ?AREA))
    (not
        (attribute ?AREA GeologicallyStable)))		 Geography.kif 1836-1841
(=>
    (and
        (instance ?AREA GeographicArea)
        (instance ?CONE Volcano)
        (attribute ?CONE VolcanicallyActive))
    (not
        (attribute ?AREA GeologicallyStable)))		 Geography.kif 1829-1834
(=>
    (and
        (instance ?AREA GeographicArea)
        (instance ?FAULT GeologicalFault)
        (located ?FAULT ?AREA))
    (not
        (attribute ?AREA GeologicallyStable)))		 Geography.kif 1850-1855
(=>
    (and
        (instance ?AREA GeographicArea)
        (instance ?SHAKING EarthTremor)
        (eventLocated ?SHAKING ?AREA))
    (not
        (attribute ?AREA GeologicallyStable)))		 Geography.kif 1843-1848
(=>
    (and
        (instance ?AREA GeographicArea)
        (instance ?WEATHER ClearWeather)
        (eventLocated ?WEATHER ?AREA)
        (cloudCoverFraction ?AREA ?FRACTION))
    (lessThan ?FRACTION 0.3))		 Weather.kif 892-898
(=>
    (and
        (instance ?AREA GeographicArea)
        (instance ?WEATHER ClearWeather)
        (eventLocated ?WEATHER ?AREA))
    (exists (?FRACTION)
        (and
            (cloudCoverFraction ?AREA ?FRACTION)
            (lessThan ?FRACTION 0.3))))		 Weather.kif 882-890
(=>
    (and
        (instance ?AREA GeographicArea)
        (instance ?WEATHER OvercastWeather)
        (eventLocated ?WEATHER ?AREA)
        (cloudCoverFraction ?AREA ?FRACTION))
    (greaterThan ?FRACTION 0.7))		 Weather.kif 943-949
(=>
    (and
        (instance ?AREA GeographicArea)
        (instance ?WEATHER OvercastWeather)
        (eventLocated ?WEATHER ?AREA))
    (exists (?FRACTION)
        (and
            (cloudCoverFraction ?AREA ?FRACTION)
            (greaterThan ?FRACTION 0.7))))		 Weather.kif 933-941
(=>
    (and
        (instance ?AREA GeographicArea)
        (instance ?WEATHER PartlyCloudyWeather)
        (eventLocated ?WEATHER ?AREA)
        (cloudCoverFraction ?AREA ?FRACTION))
    (and
        (greaterThanOrEqualTo ?FRACTION 0.3)
        (lessThanOrEqualTo ?FRACTION 0.7)))		 Weather.kif 917-925
(=>
    (and
        (instance ?AREA GeographicArea)
        (instance ?WEATHER PartlyCloudyWeather)
        (eventLocated ?WEATHER ?AREA))
    (exists (?FRACTION)
        (and
            (cloudCoverFraction ?AREA ?FRACTION)
            (greaterThanOrEqualTo ?FRACTION 0.3)
            (lessThanOrEqualTo ?FRACTION 0.7))))		 Weather.kif 906-915
(=>
    (and
        (instance ?AREA GeographicArea)
        (subclass ?MO Month)
        (averageTemperatureForPeriod ?AREA ?MO
            (MeasureFn ?TEMP CelsiusDegree))
        (greaterThan 10 ?TEMP))
    (instance ?AREA PolarClimateZone))		 Geography.kif 1546-1553
(=>
    (and
        (instance ?AREA TropicalClimateZone)
        (subclass ?MO Month)
        (instance ?AREA GeographicArea)
        (averageTemperatureForPeriod ?AREA ?MO
            (MeasureFn ?TEMP CelsiusDegree)))
    (greaterThan ?TEMP 18))		 Geography.kif 1281-1288
(=>
    (and
        (instance ?DIRECTION DirectionalAttribute)
        (instance ?AREA GeographicArea)
        (instance
            (DirectionalSubregionFn ?DIRECTION ?AREA) GeographicArea))
    (geographicSubregion
        (DirectionalSubregionFn ?DIRECTION ?AREA) ?AREA))		 Geography.kif 493-498
(=>
    (and
        (instance ?DIRECTION DirectionalAttribute)
        (instance ?AREA GeographicArea)
        (instance
            (DirectionalSubregionFn ?DIRECTION ?AREA) GeographicArea))
    (orientation
        (DirectionalSubregionFn ?DIRECTION ?AREA)
        (GeographicCenterFn ?AREA) ?DIRECTION))		 Geography.kif 500-505
(=>
    (and
        (instance ?DUST DustStorm)
        (instance ?PLACE GeographicArea)
        (eventLocated ?DUST ?PLACE))
    (holdsDuring
        (WhenFn ?DUST)
        (modalAttribute
            (attribute ?PLACE BadAirQuality) Likely)))		 Weather.kif 2593-2601
(=>
    (and
        (instance ?FOG Fogging)
        (eventLocated ?FOG ?AREA)
        (instance ?AREA GeographicArea)
        (instance ?AIR AtmosphericRegion)
        (orientation ?AIR ?AREA Above)
        (instance ?A Aerosal)
        (locatedAtTime ?A
            (WhenFn ?FOG) ?AIR)
        (visibilityInMeteorology ?AREA
            (WhenFn ?FOG)
            (MeasureFn ?VISIBILITY Meter)))
    (lessThan ?VISIBILITY 1000))		 Weather.kif 2530-2543
(=>
    (and
        (instance ?H Hurricane)
        (eventLocated ?H ?P)
        (instance ?P GeographicArea)
        (or
            (located ?P ?SEA)
            (meetsSpatially ?P ?SEA)))
    (or
        (equal ?SEA NortheasternPacificOcean)
        (equal ?SEA NorthAtlanticOcean)))		 Weather.kif 753-763
(=>
    (and
        (instance ?HAZE AtmosphericHazing)
        (eventLocated ?HAZE ?AREA)
        (instance ?AREA GeographicArea)
        (instance ?AIR AtmosphericRegion)
        (orientation ?AIR ?AREA Above)
        (locatedAtTime ?PARTICULATE
            (WhenFn ?HAZE) ?AIR)
        (visibilityInMeteorology ?AREA
            (WhenFn ?HAZE)
            (MeasureFn ?VISIBILITY Kilometer)))
    (and
        (greaterThan ?VISIBILITY 2)
        (lessThan ?VISIBILITY 5)))		 Weather.kif 2559-2573
(=>
    (and
        (instance ?HAZE AtmosphericHazing)
        (instance ?PLACE GeographicArea)
        (eventLocated ?HAZE ?PLACE))
    (holdsDuring
        (WhenFn ?HAZE)
        (modalAttribute
            (attribute ?PLACE BadAirQuality) Likely)))		 Weather.kif 2583-2591

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consequent
-------------------------


(=>
    (and
        (instance ?T Tornado)
        (instance ?R Rotating)
        (instance ?A Air)
        (instance ?TRAN Translocation)
        (subProcess ?R ?T)
        (subProcess ?TRAN ?R)
        (patient ?TRAN ?A)
        (direction ?TRAN Horizontal))
    (exists (?G ?FUNNEL ?TOP ?BOTTOM ?C ?BASE)
        (and
            (instance ?G GeographicArea)
            (eventLocated ?T ?G)
            (part ?FUNNEL ?A)
            (attribute ?FUNNEL ConeSegment)
            (top ?TOP ?FUNNEL)
            (bottom ?BOTTOM ?FUNNEL)
            (instance ?C Cloud)
            (bottom ?BASE ?C)
            (meetsSpatially ?TOP ?BASE)
            (meetsSpatially ?BOTTOM ?G))))		 Weather.kif 1650-1671
(=>
    (climateTypeInArea ?AREA ?TYPE)
    (exists (?REGION)
        (and
            (instance ?REGION GeographicArea)
            (instance ?REGION ?TYPE)
            (part ?REGION ?AREA))))		 Geography.kif 1251-1257
(=>
    (codeMapping ISO-3166-1-alpha-2 ?TOKEN ?X)
    (and
        (instance ?X GeographicArea)
        (instance ?TOKEN AlphabeticString)
        (stringLength 2 ?TOKEN)))		 Media.kif 2606-2611
(=>
    (elevation ?OBJECT ?HEIGHT)
    (exists (?PLACE)
        (and
            (instance ?PLACE GeographicArea)
            (located ?OBJECT ?PLACE))))		 Geography.kif 1872-1877
(=>
    (instance ?H Hurricane)
    (exists (?TC ?PLACE ?WIND)
        (and
            (instance ?TC TropicalCyclone)
            (instance ?PLACE GeographicArea)
            (eventLocated ?TC ?PLACE)
            (equal
                (MeasureFn ?WIND MilesPerHour)
                (Mean1MinuteWindSpeedFn ?PLACE
                    (WhenFn ?TC)))
            (greaterThanOrEqualTo ?WIND 74))))		 Weather.kif 740-751
(=>
    (instance ?M GroundAttackMissile)
    (hasPurpose ?M
        (exists (?OBJ ?REGION ?DAMAGE)
            (and
                (instrument ?DAMAGE ?M)
                (patient ?DAMAGE ?OBJ)
                (instance ?DAMAGE Damaging)
                (instance ?REGION GeographicArea)
                (holdsDuring
                    (BeginFn
                        (WhenFn ?DAMAGE))
                    (and
                        (located ?M ?REGION)
                        (located ?OBJ ?REGION)))))))		 MilitaryDevices.kif 999-1013
(=>
    (instance ?M Map)
    (exists (?A)
        (and
            (instance ?A GeographicArea)
            (represents ?M ?A))))		 Mid-level-ontology.kif 11875-11880
(=>
    (instance ?M SurfaceWindSpeedMeasuring)
    (exists (?PLACE ?TOOL)
        (and
            (instance ?PLACE GeographicArea)
            (instance ?TOOL Device)
            (eventLocated ?M ?PLACE)
            (instrument ?M ?TOOL)
            (holdsDuring
                (WhenFn ?M)
                (elevation ?TOOL
                    (MeasureFn 10 Meter))))))		 Weather.kif 1731-1741
(=>
    (instance ?PROCESS Blizzard)
    (exists (?AREA ?DIST)
        (and
            (instance ?AREA GeographicArea)
            (eventLocated ?PROCESS ?AREA)
            (visibilityInMeteorology ?AREA
                (WhenFn ?PROCESS)
                (MeasureFn ?DIST Meter))
            (lessThan ?DIST 400))))		 Weather.kif 2635-2644
(=>
    (instance ?PROCESS Blizzard)
    (holdsDuring
        (WhenFn ?PROCESS)
        (exists (?AREA ?GALE ?DURATION)
            (and
                (instance ?AREA GeographicArea)
                (eventLocated ?PROCESS ?AREA)
                (surfaceWindSpeed ?AREA
                    (MeasureFn ?GALE KnotUnitOfSpeed))
                (greaterThan ?GALE 35)
                (duration
                    (WhenFn ?PROCESS)
                    (MeasureFn ?DURATION HourDuration))
                (greaterThan ?DURATION 3)))))		 Weather.kif 2620-2633
(=>
    (instance ?SNOWSTORM Snowstorm)
    (holdsDuring
        (WhenFn ?SNOWSTORM)
        (exists (?SNOW ?AREA ?NUM)
            (and
                (instance ?SNOW Snowing)
                (instance ?AREA GeographicArea)
                (eventLocated ?SNOW ?AREA)
                (subProcess ?SNOW ?SNOWSTORM)
                (snowfallIntensity ?AREA
                    (WhenFn ?SNOW)
                    (PerFn
                        (MeasureFn ?NUM Centimeter)
                        (MeasureFn 1 HourDuration)))
                (greaterThan ?NUM 5)))))		 Weather.kif 2933-2948
(=>
    (instance ?STORM Storm)
    (holdsDuring
        (WhenFn ?STORM)
        (exists (?AREA ?STRONG)
            (and
                (instance ?AREA GeographicArea)
                (surfaceWindSpeed ?AREA
                    (MeasureFn ?STRONG KnotUnitOfSpeed))
                (greaterThan ?STRONG 30)))))		 Weather.kif 2898-2907
(=>
    (instance ?STORM Storm)
    (holdsDuring
        (WhenFn ?STORM)
        (modalAttribute
            (exists (?P ?AREA)
                (and
                    (instance ?P Precipitation)
                    (instance ?AREA GeographicArea)
                    (eventLocated ?P ?AREA)
                    (subProcess ?P ?STORM))) Likely)))		 Weather.kif 2886-2896
(=>
    (instance ?STORM TropicalCyclonicSystem)
    (exists (?PLACE)
        (and
            (instance ?PLACE GeographicArea)
            (geographicSubregion ?PLACE Tropics)
            (origin ?STORM ?PLACE))))		 Weather.kif 619-625
(=>
    (instance ?T Typhoon)
    (exists (?TC ?PLACE ?WIND)
        (and
            (instance ?TC TropicalCyclone)
            (instance ?PLACE GeographicArea)
            (eventLocated ?TC ?PLACE)
            (equal
                (MeasureFn ?WIND MilesPerHour)
                (Mean10MinutesWindSpeedFn ?PLACE
                    (WhenFn ?TC)))
            (greaterThanOrEqualTo ?WIND 64))))		 Weather.kif 774-785
(=>
    (instance ?TC TropicalCyclone)
    (exists (?PLACE ?WIND)
        (and
            (instance ?PLACE GeographicArea)
            (eventLocated ?TC ?PLACE)
            (equal
                (MeasureFn ?WIND MilesPerHour)
                (Mean1MinuteWindSpeedFn ?PLACE
                    (WhenFn ?TC)))
            (greaterThanOrEqualTo ?WIND 44))))		 Weather.kif 681-691
(=>
    (instance ?TD TropicalDepression)
    (exists (?PLACE ?WIND)
        (and
            (instance ?PLACE GeographicArea)
            (eventLocated ?TD ?PLACE)
            (equal
                (MeasureFn ?WIND MilesPerHour)
                (Mean1MinuteWindSpeedFn ?PLACE
                    (WhenFn ?TD)))
            (lessThanOrEqualTo ?WIND 38))))		 Weather.kif 660-670
(=>
    (instance ?TS TropicalStorm)
    (exists (?PLACE ?WIND)
        (and
            (instance ?PLACE GeographicArea)
            (eventLocated ?TS ?PLACE)
            (equal
                (MeasureFn ?WIND MilesPerHour)
                (Mean1MinuteWindSpeedFn ?PLACE
                    (WhenFn ?TS)))
            (greaterThanOrEqualTo ?WIND 39)
            (lessThanOrEqualTo ?WIND 74))))		 Weather.kif 716-727
(=>
    (instance ?X DiningGuide)
    (exists (?LOC ?REST)
        (and
            (instance ?LOC GeographicArea)
            (refers ?X ?LOC)
            (instance ?REST Restaurant)
            (located ?REST ?LOC)
            (refers ?X ?REST))))		 Mid-level-ontology.kif 24828-24836
(=>
    (instance ?X GuideBook)
    (exists (?LOC)
        (and
            (instance ?LOC GeographicArea)
            (refers ?X ?LOC))))		 Mid-level-ontology.kif 24816-24821
(=>
    (instance ?X Kidnapping)
    (exists (?A ?LOC1 ?LOC2)
        (and
            (instance ?A SentientAgent)
            (instance ?LOC1 GeographicArea)
            (instance ?LOC2 GeographicArea)
            (not
                (equal ?LOC1 ?LOC2))
            (holdsDuring
                (ImmediatePastFn
                    (WhenFn ?X))
                (located ?A ?LOC1))
            (holdsDuring
                (WhenFn ?X)
                (located ?A ?LOC2)))))		 Mid-level-ontology.kif 20466-20481
(=>
    (instance ?X LandVehicle)
    (hasPurpose ?X
        (exists (?EV ?SURF)
            (and
                (surface ?SURF GeographicArea)
                (instance ?EV Transportation)
                (holdsDuring
                    (WhenFn ?EV)
                    (meetsSpatially ?X ?SURF))))))		 Mid-level-ontology.kif 3405-3414
(=>
    (instance ?X SubwaySystem)
    (exists (?SURF)
        (and
            (surface ?SURF GeographicArea)
            (orientation ?X ?SURF Below))))		 Transportation.kif 328-333
(=>
    (terrainInArea ?AREA ?ATTRIBUTE)
    (exists (?REGION)
        (and
            (instance ?REGION GeographicArea)
            (attribute ?REGION ?ATTRIBUTE)
            (partlyLocated ?REGION ?AREA))))		 Geography.kif 1690-1696


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Sigma version 3.0 is open source software produced by Articulate Software and its partners