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KB:
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Formal Language:
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| SpecialCharacterPress(special character press) |
| appearance as argument number 1 |
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| (subclass SpecialCharacterPress SingleKeyPress) | ComputerInput.kif 1400-1400 | Special character press is a subclass of single key press |
| (documentation SpecialCharacterPress EnglishLanguage "A CharacterKeyPress is a SingleKeyPress of the enter, backspace, delete, escape, shift, control, function, function keys, home, page_up, and similar keys. Use CharacterKeyPress for white space keys and a keyboard key that signifies a single character (letters, numbers, punctuation, other symbols).") | ComputerInput.kif 1402-1407 | Special character press is a subclass of single key press |
| appearance as argument number 2 |
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| antecedent |
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| (=> (instance ?ACT SpecialCharacterPress) (exists (?KEY) (and (instance ?KEY SpecialComputerKeyboardKey) (patient ?ACT ?KEY)))) |
ComputerInput.kif 1411-1416 | If X is an instance of special character press, then there exists Y such that Y is an instance of special computer keyboard key and Y is a patient of X |
| (=> (and (instance ?ACT SpecialCharacterPress) (patient ?ACT ?KEY) (instance ?KEY ComputerKeyboardKey)) (instance ?KEY SpecialComputerKeyboardKey)) |
ComputerInput.kif 1418-1423 | If X is an instance of special character press, Y is a patient of X, and Y is an instance of computer keyboard key, then Y is an instance of special computer keyboard key |