| appearance as argument number 1 |
|
| No TPTP formula. May not be expressible in strict first order. | Economy.kif 1826-1826 | Natural gas is an industry product type of natural gas industry |
| No TPTP formula. May not be expressible in strict first order. | Economy.kif 1822-1822 | Natural gas industry is an instance of industry attribute |
| appearance as argument number 2 |
|
|
| No TPTP formula. May not be expressible in strict first order. | Economy.kif 1824-1824 | Natural gas distribution is a subattribute of natural gas industry |
| 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. | 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. | domainEnglishFormat.kif 39873-39873 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 39872-39872 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 39871-39871 |
|
Show full definition with tree view
Show simplified definition (without tree view)
Show simplified definition (with tree view)
|
|
Sigma web home Suggested Upper Merged Ontology (SUMO) web home
Sigma version 3.0 is open source software produced by Articulate Software and its partners