No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 25062-25062 | Mobile cell phone is a subclass of receiver device |
No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 25063-25063 | Mobile cell phone is a subclass of telephone |
No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 29570-29570 | Smart phone is a subclass of mobile cell phone |
No TPTP formula. May not be expressible in strict first order. | ComputingBrands.kif 627-627 | IPhone is a subclass of mobile cell phone |