| (=> (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 |
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