| appearance as argument number 1 |
|
| No TPTP formula. May not be expressible in strict first order. | naics.kif 8427-8429 | |
| No TPTP formula. May not be expressible in strict first order. | naics.kif 8425-8425 | 子屬性 學校和員工公交車運輸 and 過境和地面客運 |
| appearance as argument number 2 |
|
|
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 51557-51557 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 51556-51556 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 51555-51555 |
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Sigma version 3.0 is open source software produced by Articulate Software and its partners