(=> (and (equal ?W (OrganicObjectFn ?S)) (subclass ?W WoodProduct) (subclass ?S PlantStem)) (exists (?T) (and (subclass ?T BotanicalTree) (initialPart ?S ?T)))) |
Economy.kif 5235-5244 | |
(subclass WoodProduct ForestProduct) | Economy.kif 5224-5224 | |
(subclass WoodProduct OrganicCompound) | Economy.kif 5225-5225 | |
(subclass WoodProduct PlantSubstance) | Economy.kif 5226-5226 | |
(subclass Hardwood WoodProduct) | Economy.kif 5278-5278 | |
(subclass Softwood WoodProduct) | Economy.kif 5405-5405 | |
(subclass Timber WoodProduct) | Economy.kif 5495-5495 | |
(subclass Lumber WoodProduct) | Economy.kif 5532-5532 | |
(subclass WoodenArtifact WoodProduct) | Economy.kif 5572-5572 |