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Term 1: Term 2:

(=>
    (and
        (equal ?W
            (OrganicObjectFn ?S))
        (subclass ?W CedarWood)
        (subclass ?S PlantStem))
    (initialPart ?S CedarTree))		 Economy.kif 5421-5426
(subclass CedarWood Softwood) Economy.kif 5418-5418 CedarWood 是 Softwood 的 subclass


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