No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 26388-26388 | Ac power source is a subclass of power source |
No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 26393-26393 | Single phase power source is a subclass of ac power source |
No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 26394-26394 | Three phase power source is a subclass of ac power source |