| appearance as argument number 1 |
|
| No TPTP formula. May not be expressible in strict first order. | People.kif 521-522 | |
| No TPTP formula. May not be expressible in strict first order. | People.kif 520-520 | Black ethnicity is an instance of racial ethnic group |
| appearance as argument number 2 |
|
|
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 11267-11267 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 11266-11266 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 11265-11265 |
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Sigma version 3.0 is open source software produced by Articulate Software and its partners