| appearance as argument number 1 |
|
| No TPTP formula. May not be expressible in strict first order. | Languages.kif 3957-3961 | |
| No TPTP formula. May not be expressible in strict first order. | Languages.kif 3956-3956 | Doso语言 是 非语言口语 的 instance |
| appearance as argument number 2 |
|
|
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 20220-20220 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 20219-20219 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 20218-20218 |
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Sigma version 3.0 is open source software produced by Articulate Software and its partners