| appearance as argument number 1 |
|
| No TPTP formula. May not be expressible in strict first order. | naics.kif 8498-8500 | |
| No TPTP formula. May not be expressible in strict first order. | Economy.kif 1825-1825 | Pipeline transportation of natural gas is a subattribute of natural gas industry |
| No TPTP formula. May not be expressible in strict first order. | naics.kif 8496-8496 | Pipeline transportation of natural gas is a subattribute of pipeline transportation |
| appearance as argument number 2 |
|
|
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 45918-45918 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 45917-45917 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 45916-45916 |
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