| DuckMeat(duck) | | duck, duckling |
| appearance as argument number 1 |
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| No TPTP formula. May not be expressible in strict first order. | Food.kif 2039-2039 | Duck is the meat of duck |
| No TPTP formula. May not be expressible in strict first order. | Food.kif 2037-2037 | Duck is a subclass of poultry |
| appearance as argument number 2 |
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| No TPTP formula. May not be expressible in strict first order. | Food.kif 2038-2038 |
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