| appearance as argument number 1 |
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| No TPTP formula. May not be expressible in strict first order. | Transportation.kif 2449-2449 | 海外供应船 是 船 的 subclass |
| appearance as argument number 2 |
|
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| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 41888-41888 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 41887-41887 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 41886-41886 |
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Sigma version 3.0 is open source software produced by Articulate Software and its partners