| appearance as argument number 1 |
|
| No TPTP formula. May not be expressible in strict first order. | Geography.kif 6831-6831 | 例 有限的淡水問題 and 環境水問題 |
| appearance as argument number 2 |
|
|
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 34445-34445 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 34444-34444 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 34443-34443 |
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Sigma version 3.0 is open source software produced by Articulate Software and its partners