| appearance as argument number 1 |
|
| No TPTP formula. May not be expressible in strict first order. | naics.kif 9137-9139 | |
| No TPTP formula. May not be expressible in strict first order. | naics.kif 9135-9135 | 子屬性 信息服務 and 信息服務和數據處理服務 |
| appearance as argument number 2 |
|
|
| No TPTP formula. May not be expressible in strict first order. | naics.kif 9147-9147 | 子屬性 圖書館和檔案館 and 信息服務 |
| No TPTP formula. May not be expressible in strict first order. | naics.kif 9141-9141 | 子屬性 新聞集團 and 信息服務 |
| No TPTP formula. May not be expressible in strict first order. | naics.kif 9153-9153 | 子屬性 其他信息服務 and 信息服務 |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 30043-30043 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 30042-30042 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 30041-30041 |
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Sigma version 3.0 is open source software produced by Articulate Software and its partners