| appearance as argument number 1 |
|
| No TPTP formula. May not be expressible in strict first order. | engineering.kif 973-974 | |
| No TPTP formula. May not be expressible in strict first order. | engineering.kif 975-975 | |
| No TPTP formula. May not be expressible in strict first order. | engineering.kif 976-976 | Volume control valve is a subclass of valve |
| appearance as argument number 2 |
|
|
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 61947-61947 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 61946-61946 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 61945-61945 |
|
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Sigma version 3.0 is open source software produced by Articulate Software and its partners