No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 8830-8830 | Detergent e' uma sub-classe de Surfactant |
No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 8831-8831 | Detergent e' uma sub-classe de Mistura |