| appearance as argument number 1 |
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| No TPTP formula. May not be expressible in strict first order. | naics.kif 4717-4720 | |
| No TPTP formula. May not be expressible in strict first order. | naics.kif 4715-4715 | 油气田机械设备制造业 是 采矿和油气田机械制造业 的 subAttribute |
| appearance as argument number 2 |
|
|
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 41948-41948 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 41947-41947 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 41946-41946 |
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Sigma version 3.0 is open source software produced by Articulate Software and its partners