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Term 1: Term 2:

(=>
    (and
        (instance ?WATER River)
        (trafficableForTrafficType ?WATER ?TYPE)
        (subclass ?TYPE WaterVehicle))
    (instance ?WATER Waterway))
Transportation.kif 1683-1688
(subclass River StreamWaterArea) Geography.kif 5255-5255
(subclass River FreshWaterArea) Geography.kif 5256-5256
(subclass River BodyOfWater) Geography.kif 5257-5257


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