| appearance as argument number 1 |
|
| No TPTP formula. May not be expressible in strict first order. | naics.kif 665-668 | |
| No TPTP formula. May not be expressible in strict first order. | Economy.kif 1823-1823 | Natural gas liquid extraction is a subattribute of natural gas industry |
| No TPTP formula. May not be expressible in strict first order. | naics.kif 663-663 | Natural gas liquid extraction is a subattribute of oil and gas extraction |
| appearance as argument number 2 |
|
|
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 39879-39879 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 39878-39878 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 39877-39877 |
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