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KB:
Language:
Formal Language:
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| AltKey(alt key) |
| appearance as argument number 1 |
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| (subclass AltKey MultiKeypressKey) | ComputerInput.kif 372-372 | Alt key is a subclass of multi keypress key |
| (documentation AltKey EnglishLanguage "An AltKey is a type of ComputerKeyboardKey on a ComputerKeyboard often labeled ``Shift'' which affects the output of other keys if typed while it is being held down.") | ComputerInput.kif 373-375 | Alt key is a subclass of multi keypress key |
| (disjoint AltKey ControlKey) | ComputerInput.kif 376-376 | Alt key is disjoint from control key |
| (disjoint AltKey ShiftKey) | ComputerInput.kif 377-377 | Alt key is disjoint from shift key |
| (disjoint AltKey FunctionKey) | ComputerInput.kif 378-378 | Alt key is disjoint from function key |
| appearance as argument number 2 |
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| (termFormat EnglishLanguage AltKey "alt key") | domainEnglishFormat.kif 64439-64439 |
| consequent |
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| (=> (instance ?ACT AltKeyHoldDown) (exists (?KEY) (and (instance ?KEY AltKey) (patient ?ACT ?KEY)))) |
ComputerInput.kif 1331-1336 | If X is an instance of alt key hold down, then there exists Y such that Y is an instance of alt key and Y is a patient of X |
| (=> (and (instance ?ACT AltKeyHoldDown) (patient ?ACT ?KEY) (instance ?KEY ComputerKeyboardKey)) (instance ?KEY AltKey)) |
ComputerInput.kif 1338-1343 | If X is an instance of alt key hold down, Y is a patient of X, and Y is an instance of computer keyboard key, then Y is an instance of alt key |