| No TPTP formula. May not be expressible in strict first order. | Merge.kif 14580-14580 | Mammal is a subclass of warm blooded vertebrate |
| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 20062-20062 | Herbivore is a subclass of mammal |
| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 20318-20318 | Llama is a subclass of mammal |
| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 20327-20327 | Skunk is a subclass of mammal |
| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 30432-30432 | Rhinoceros is a subclass of mammal |
| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 30585-30585 | Ferret is a subclass of mammal |
| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 30620-30620 | Cub is a subclass of mammal |
| No TPTP formula. May not be expressible in strict first order. | Merge.kif 14586-14586 | Aquatic mammal is a subclass of mammal |
| No TPTP formula. May not be expressible in strict first order. | Merge.kif 14590-14590 | Hoofed mammal is a subclass of mammal |
| No TPTP formula. May not be expressible in strict first order. | Merge.kif 14594-14594 | Marsupial is a subclass of mammal |
| No TPTP formula. May not be expressible in strict first order. | Merge.kif 14598-14598 | Carnivore is a subclass of mammal |
| No TPTP formula. May not be expressible in strict first order. | Merge.kif 14621-14621 | Rodent is a subclass of mammal |
| No TPTP formula. May not be expressible in strict first order. | Merge.kif 14626-14626 | Primate is a subclass of mammal |
| No TPTP formula. May not be expressible in strict first order. | Economy.kif 4918-4918 | Camel is a subclass of mammal |
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