| appearance as argument number 1 |
|
| No TPTP formula. May not be expressible in strict first order. | Geography.kif 6846-6846 | 例 有毒廢物處理問題 and 污染問題 |
| appearance as argument number 2 |
|
|
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 58682-58682 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 58681-58681 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 58680-58680 |
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Sigma version 3.0 is open source software produced by Articulate Software and its partners