No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 8821-8821 | Surfactant e' uma sub-classe de Substancia |
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. | Economy.kif 5965-5965 | Soap e' uma sub-classe de Surfactant |
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