| appearance as argument number 1 |
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| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 7702-7704 | |
| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 7701-7701 | Commercial shipping is a subclass of commercial service |
| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 7700-7700 | Commercial shipping is a subclass of shipping |
| appearance as argument number 2 |
|
|
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 15876-15876 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 15875-15875 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 15874-15874 |
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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