| appearance as argument number 1 |
|
| No TPTP formula. May not be expressible in strict first order. | engineering.kif 992-993 | |
| No TPTP formula. May not be expressible in strict first order. | engineering.kif 994-994 | |
| No TPTP formula. May not be expressible in strict first order. | engineering.kif 995-995 | Frequency filter is a subclass of electrical circuit |
| appearance as argument number 2 |
|
|
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 25016-25016 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 25015-25015 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 25014-25014 |
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Sigma version 3.0 is open source software produced by Articulate Software and its partners