No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 8583-8583 | Hydrocarbon is a subclass of organic compound |
No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 9182-9182 | Rubber is a subclass of hydrocarbon |
No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 9195-9195 | Plastic is a subclass of hydrocarbon |