No TPTP formula. May not be expressible in strict first order. | Economy.kif 3904-3909 |
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No TPTP formula. May not be expressible in strict first order. | Economy.kif 4076-4079 |
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No TPTP formula. May not be expressible in strict first order. | Economy.kif 3896-3896 | Durum wheat grass is a subclass of wheat grass |