| appearance as argument number 1 |
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| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 26311-26313 | |
| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 26310-26310 | TDD phone is a subclass of telephone |
| appearance as argument number 2 |
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| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 65575-65575 |
| antecedent |
|
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| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 26315-26323 |
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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