| appearance as argument number 1 |
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| No TPTP formula. May not be expressible in strict first order. | ComputingBrands.kif 717-717 | Apple i phone oS111 is a subclass of IOS 11 |
| appearance as argument number 2 |
|
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| No TPTP formula. May not be expressible in strict first order. | ComputingBrands.kif 715-715 | device OS Apple iPhone and Apple i phone oS111 |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 64456-64456 |
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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