| No TPTP formula. May not be expressible in strict first order. | Economy.kif 4166-4172 | |
| No TPTP formula. May not be expressible in strict first order. | Economy.kif 4026-4026 | 子類 穀物 and 種子 |
| 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 4043-4043 | 子類 玉米粒 and 穀物 |
| No TPTP formula. May not be expressible in strict first order. | Economy.kif 4047-4047 | 子類 米粒 and 穀物 |
| No TPTP formula. May not be expressible in strict first order. | Economy.kif 4051-4051 | 子類 小麥籽粒 and 穀物 |
| No TPTP formula. May not be expressible in strict first order. | Economy.kif 4121-4121 | 子類 燕麥粒 and 穀物 |
| No TPTP formula. May not be expressible in strict first order. | Economy.kif 4126-4126 | 子類 大麥籽粒 and 穀物 |
| No TPTP formula. May not be expressible in strict first order. | Economy.kif 4132-4132 | 子類 黑麥穀物 and 穀物 |
| No TPTP formula. May not be expressible in strict first order. | Economy.kif 4137-4137 | 子類 高粱粒 and 穀物 |
| No TPTP formula. May not be expressible in strict first order. | Economy.kif 4142-4142 | 子類 小米粒 and 穀物 |
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