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appearance as argument number 1

(subclass WhiteOakTree DeciduousTree)	Geography.kif 8165-8165	White oak tree is a subclass of deciduous tree
(relatedInternalConcept WhiteOakTree WhiteOakWood)	Geography.kif 8166-8166	White oak tree is internally related to white oak wood
(documentation WhiteOakTree EnglishLanguage "WhiteOakTree is known as Quercus alba. It is native to eastern and central NorthAmerica.[Wikipedia]")	Geography.kif 8167-8168	White oak tree is internally related to white oak wood
(externalImage WhiteOakTree "http://upload.wikimedia.org/wikipedia/commons/ 3/ 33/ Sivry_Rance_AR1aJPG.jpg")	pictureList.kif 8622-8622	White oak tree is internally related to white oak wood
(externalImage WhiteOakTree "http://upload.wikimedia.org/wikipedia/commons/ 8/ 8e/ Quercus_robur_JPG_%28d2%29.jpg")	pictureList.kif 9478-9478	White oak tree is internally related to white oak wood
(externalImage WhiteOakTree "http://upload.wikimedia.org/wikipedia/commons/ a/ af/ Quercus_robur.jpg")	pictureList.kif 9479-9479	White oak tree is internally related to white oak wood

appearance as argument number 2

(termFormat EnglishLanguage WhiteOakTree "white oak tree")

consequent

(=>
    (and
        (equal ?W
            (OrganicObjectFn ?S))
        (subclass ?W WhiteOakWood)
        (subclass ?S PlantStem))
    (initialPart ?S WhiteOakTree))

statement

equal The Janka Hardness of white oak tree is and 1360 pound force(s)