| appearance as argument number 1 |
|
| No TPTP formula. May not be expressible in strict first order. | naics.kif 1328-1330 | |
| No TPTP formula. May not be expressible in strict first order. | naics.kif 1326-1326 | 子屬性 挖掘承包商 and 其他特殊貿易承包商 |
| appearance as argument number 2 |
|
|
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 22660-22660 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 22659-22659 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 22658-22658 |
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Sigma version 3.0 is open source software produced by Articulate Software and its partners