| appearance as argument number 1 |
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| No TPTP formula. May not be expressible in strict first order. | ComputerInput.kif 2928-2929 | |
| No TPTP formula. May not be expressible in strict first order. | ComputerInput.kif 2927-2927 | Receiving email is a subclass of emailing |
| appearance as argument number 2 |
|
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| No TPTP formula. May not be expressible in strict first order. | ComputerInput.kif 2936-2936 | Sending email is disjoint from receiving email |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 65391-65391 |
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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