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   MotorcycleHelmet
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| appearance as argument number 1 |
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| No TPTP formula. May not be expressible in strict first order. | Cars.kif 4350-4351 | |
| No TPTP formula. May not be expressible in strict first order. | Cars.kif 4349-4349 | MotorcycleHelmet 是 Helmet 的 subclass |
| appearance as argument number 2 |
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| No TPTP formula. May not be expressible in strict first order. | Cars.kif 5139-5139 | IconHelmet 是 MotorcycleHelmet 的 subclass |
| No TPTP formula. May not be expressible in strict first order. | Cars.kif 4352-4352 |
| antecedent |
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| No TPTP formula. May not be expressible in strict first order. | Cars.kif 4354-4365 |
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