| appearance as argument number 1 |
|
| No TPTP formula. May not be expressible in strict first order. | People.kif 569-570 | |
| No TPTP formula. May not be expressible in strict first order. | People.kif 568-568 | North african ethnicity is an instance of ethnic group |
| appearance as argument number 2 |
|
|
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 40953-40953 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 40952-40952 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 40951-40951 |
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Sigma version 3.0 is open source software produced by Articulate Software and its partners