| appearance as argument number 1 |
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| No TPTP formula. May not be expressible in strict first order. | Transportation.kif 2445-2445 | 海外井生产船 是 船 的 subclass |
| appearance as argument number 2 |
|
|
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 41898-41898 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 41897-41897 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 41896-41896 |
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Sigma version 3.0 is open source software produced by Articulate Software and its partners