| appearance as argument number 1 |
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| No TPTP formula. May not be expressible in strict first order. | Sports.kif 361-361 | FigureSkater 是 ProfessionalAthlete 的 instance |
| appearance as argument number 2 |
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| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 64857-64857 |
| antecedent |
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| No TPTP formula. May not be expressible in strict first order. | Sports.kif 404-406 |
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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