| No TPTP formula. May not be expressible in strict first order. | Economy.kif 4149-4149 | 子類 Grain and FoodFromPlant |
| No TPTP formula. May not be expressible in strict first order. | Economy.kif 4027-4027 | 子類 穀物 and Grain |
| No TPTP formula. May not be expressible in strict first order. | Economy.kif 4161-4161 | 子類 Malt and Grain |
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