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No TPTP formula. May not be expressible in strict first order. Mid-level-ontology.kif 8808-8808 Oil is a subclass of compound substance
No TPTP formula. May not be expressible in strict first order. Mid-level-ontology.kif 1677-1677 Petroleum product is a subclass of oil
No TPTP formula. May not be expressible in strict first order. Food.kif 2871-2871 Animal fat is a subclass of oil
No TPTP formula. May not be expressible in strict first order. Food.kif 2930-2930 Butter fat is a subclass of oil
No TPTP formula. May not be expressible in strict first order. Economy.kif 4526-4526 Oil from plant is a subclass of oil


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