| appearance as argument number 1 |
|
| No TPTP formula. May not be expressible in strict first order. | engineering.kif 954-955 | |
| No TPTP formula. May not be expressible in strict first order. | engineering.kif 956-956 | |
| No TPTP formula. May not be expressible in strict first order. | engineering.kif 957-957 | Directional control valve is a subclass of valve |
| appearance as argument number 2 |
|
|
| No TPTP formula. May not be expressible in strict first order. | engineering.kif 961-961 | Spool valve is a subclass of directional control valve |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 19692-19692 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 19691-19691 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 19690-19690 |
|
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Sigma version 3.0 is open source software produced by Articulate Software and its partners