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No TPTP formula. May not be expressible in strict first order. Economy.kif 4532-4543
No TPTP formula. May not be expressible in strict first order. Economy.kif 4526-4526 OilFromPlant est une sous-classe de Oil
No TPTP formula. May not be expressible in strict first order. Economy.kif 4545-4545 TeaTreeOil est une sous-classe de OilFromPlant
No TPTP formula. May not be expressible in strict first order. Economy.kif 4558-4558 VegetableOil est une sous-classe de OilFromPlant


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