No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 3038-3038 | Lightning is a subclass of weather process |
No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 3039-3039 | Lightning is a subclass of radiating |
No TPTP formula. May not be expressible in strict first order. | Cars.kif 422-422 | Lightning is a subclass of spark |