| appearance as argument number 1 |
|
| No TPTP formula. May not be expressible in strict first order. | ComputerInput.kif 270-271 | |
| No TPTP formula. May not be expressible in strict first order. | ComputerInput.kif 269-269 | Character key is a subclass of computer keyboard key |
| appearance as argument number 2 |
|
|
| No TPTP formula. May not be expressible in strict first order. | ComputerInput.kif 278-278 | Special computer keyboard key is disjoint from character key |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 64613-64613 |
| consequent |
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| No TPTP formula. May not be expressible in strict first order. | ComputerInput.kif 1377-1382 |
|
| No TPTP formula. May not be expressible in strict first order. | ComputerInput.kif 1370-1375 |
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Sigma version 3.0 is open source software produced by Articulate Software and its partners