| appearance as argument number 1 |
|
| No TPTP formula. May not be expressible in strict first order. | naics.kif 4709-4713 | |
| No TPTP formula. May not be expressible in strict first order. | naics.kif 4707-4707 | Mining machinery and equipment manufacturing is a subattribute of mining and oil and gas field machinery manufacturing |
| appearance as argument number 2 |
|
|
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 37919-37919 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 37918-37918 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 37917-37917 |
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Sigma version 3.0 is open source software produced by Articulate Software and its partners