| appearance as argument number 1 |
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| No TPTP formula. May not be expressible in strict first order. | Economy.kif 1770-1770 | Lead manufacturing is an instance of industry attribute |
| No TPTP formula. May not be expressible in strict first order. | Economy.kif 1764-1764 | Lead manufacturing is a subattribute of lead industry |
| appearance as argument number 2 |
|
|
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 33623-33623 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 33622-33622 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 33621-33621 |
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Sigma version 3.0 is open source software produced by Articulate Software and its partners