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KB:
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Formal Language:
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| EvergreenTree(evergreen tree) |
| appearance as argument number 1 |
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| (subclass EvergreenTree BotanicalTree) | Geography.kif 8174-8174 | Evergreen tree is a subclass of botanical tree |
| (documentation EvergreenTree EnglishLanguage "EvergreenTrees are BotanicalTrees that do not shed their PlantLeaf(ves).") | Geography.kif 8175-8176 | Evergreen tree is a subclass of botanical tree |
| appearance as argument number 2 |
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| antecedent |
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| (=> (and (instance ?T EvergreenTree) (instance ?L PlantLeaf)) (not (sheddingLeaves ?T ?L))) |
Geography.kif 8178-8183 | If X is an instance of evergreen tree and Y is an instance of plant leaf, then X is a Removing Y from its stems |