| appearance as argument number 1 |
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| No TPTP formula. May not be expressible in strict first order. | WMD.kif 504-504 | |
| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 31550-31550 | roomTempState nitrogen mustard gas and gas |
| No TPTP formula. May not be expressible in strict first order. | WMD.kif 503-503 | Nitrogen mustard gas is a subclass of mustard gas |
| appearance as argument number 2 |
|
|
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 40629-40629 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 40628-40628 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 40627-40627 |
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Sigma version 3.0 is open source software produced by Articulate Software and its partners