| No TPTP formula. May not be expressible in strict first order. | Economy.kif 3860-3860 | 子類 WheatGrass and 穀物草 |
| No TPTP formula. May not be expressible in strict first order. | Economy.kif 3865-3865 | 子類 EmmerWheatGrass and WheatGrass |
| No TPTP formula. May not be expressible in strict first order. | Economy.kif 3896-3896 | 子類 DurumWheatGrass and WheatGrass |
| No TPTP formula. May not be expressible in strict first order. | Economy.kif 3928-3928 | 子類 EinkornWheatGrass and WheatGrass |
| No TPTP formula. May not be expressible in strict first order. | Economy.kif 3941-3941 | 子類 TriticumUrartu and WheatGrass |
| No TPTP formula. May not be expressible in strict first order. | Economy.kif 3955-3955 | 子類 CommonWheatGrass and WheatGrass |
| No TPTP formula. May not be expressible in strict first order. | Economy.kif 3987-3987 | 子類 SpeltWheatGrass and WheatGrass |
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