No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 25176-25176 | Iron is a subclass of electric device |
No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 25177-25177 | Iron is a subclass of heating device |
No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 25178-25178 | Iron is a subclass of house utility appliance |