| appearance as argument number 1 |
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| No TPTP formula. May not be expressible in strict first order. | naics.kif 4880-4887 | |
| No TPTP formula. May not be expressible in strict first order. | naics.kif 4878-4878 | Air conditioning and warm air heating equipment and commercial and industrial refrigeration equipment manufacturing is a subattribute of ventilation heating air conditioning and commercial refrigeration equipment manufacturing |
| appearance as argument number 2 |
|
|
| No TPTP formula. May not be expressible in strict first order. | Economy.kif 1855-1855 | Commercial and industrial refrigeration and equipment manufacturing is a subattribute of air conditioning and warm air heating equipment and commercial and industrial refrigeration equipment manufacturing |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 6114-6114 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 6113-6113 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 6112-6112 |
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Sigma version 3.0 is open source software produced by Articulate Software and its partners