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Term 1: Term 2:

(=>
    (and
        (equal ?W
            (OrganicObjectFn ?S))
        (subclass ?W FirWood)
        (subclass ?S PlantStem))
    (initialPart ?S FirTree))		 Economy.kif 5431-5436
(subclass FirWood Softwood) Economy.kif 5428-5428 FirWood est une sous-classe de Softwood


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