| appearance as argument number 1 |
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| No TPTP formula. May not be expressible in strict first order. | naics.kif 710-712 | |
| No TPTP formula. May not be expressible in strict first order. | Economy.kif 1806-1806 | Iron ore is an industry product type of iron ore mining |
| No TPTP formula. May not be expressible in strict first order. | naics.kif 708-708 | Iron ore mining is a subattribute of metal ore mining |
| appearance as argument number 2 |
|
|
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 31081-31081 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 31080-31080 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 31079-31079 |
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