| appearance as argument number 1 |
|
| No TPTP formula. May not be expressible in strict first order. | engineering.kif 640-641 | |
| No TPTP formula. May not be expressible in strict first order. | engineering.kif 642-642 | 子類 電氣過程 and 自然過程 |
| appearance as argument number 2 |
|
|
| No TPTP formula. May not be expressible in strict first order. | engineering.kif 659-659 | 子類 電共振 and 電氣過程 |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 21540-21540 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 21539-21539 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 21538-21538 |
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Sigma version 3.0 is open source software produced by Articulate Software and its partners