| No TPTP formula. May not be expressible in strict first order. | Geography.kif 6345-6345 | Biome is a subclass of ecosystem |
| No TPTP formula. May not be expressible in strict first order. | Geography.kif 6362-6362 | Rain forest is a subclass of biome |
| No TPTP formula. May not be expressible in strict first order. | Geography.kif 6376-6376 | Temperate hardwood forest is a subclass of biome |
| No TPTP formula. May not be expressible in strict first order. | Geography.kif 6379-6379 | Boreal forest is a subclass of biome |
| No TPTP formula. May not be expressible in strict first order. | Geography.kif 6597-6597 | Jungle is a subclass of biome |
| No TPTP formula. May not be expressible in strict first order. | Geography.kif 6607-6607 | Swamp is a subclass of biome |
| No TPTP formula. May not be expressible in strict first order. | Geography.kif 6637-6637 | Oasis is a subclass of biome |
| No TPTP formula. May not be expressible in strict first order. | Geography.kif 6661-6661 | Grassland is a subclass of biome |
| No TPTP formula. May not be expressible in strict first order. | Geography.kif 6727-6727 | Tundra is a subclass of biome |
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