| appearance as argument number 1 |
|
| No TPTP formula. May not be expressible in strict first order. | Economy.kif 1729-1729 | 銅礦 是 銅礦開採 的 industry 產品類別 |
| No TPTP formula. May not be expressible in strict first order. | Economy.kif 1725-1725 | 子屬性 銅礦開採 and 銅工業 |
| No TPTP formula. May not be expressible in strict first order. | Economy.kif 1732-1732 | 子屬性 銅礦開採 and 銅礦和鎳礦開採 |
| appearance as argument number 2 |
|
|
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 17268-17268 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 17267-17267 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 17266-17266 |
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Sigma version 3.0 is open source software produced by Articulate Software and its partners