| appearance as argument number 1 |
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| No TPTP formula. May not be expressible in strict first order. | ComputerInput.kif 1811-1812 | |
| No TPTP formula. May not be expressible in strict first order. | ComputerInput.kif 1810-1810 | Vertical window scrolling is a subclass of window scrolling |
| appearance as argument number 2 |
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| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 65691-65691 |
| statement |
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| No TPTP formula. May not be expressible in strict first order. | ComputerInput.kif 1815-1816 | Pressing the down arrow key key isgnifies the union of vertical window scrolling and window scrolling by user |
| No TPTP formula. May not be expressible in strict first order. | ComputerInput.kif 1813-1814 | Pressing the up arrow key key isgnifies the union of vertical window scrolling and window scrolling by user |
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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