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Sigma KEE - AudioAmplifier
AudioAmplifier(audio amplifier)

appearance as argument number 1
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(subclass AudioAmplifier MediaAppliance) HouseholdAppliances.kif 356-356 Audio amplifier is a subclass of media appliance
(documentation AudioAmplifier EnglishLanguage "A part of MediaSystem that amplifies the power of audio signal.") HouseholdAppliances.kif 358-359 Audio amplifier is a subclass of media appliance

appearance as argument number 2
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(termFormat EnglishLanguage AudioAmplifier "audio amplifier") HouseholdAppliances.kif 361-361

antecedent
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(=>
    (instance ?DEVICE AudioAmplifier)
    (hasPurpose ?DEVICE
        (exists (?PROC ?SIGIN ?SIGOUT)
            (and
                (instance ?SIGIN ElectricalSignalling)
                (instance ?SIGOUT ElectricalSignalling)
                (not
                    (equal ?SIGIN ?SIGOUT))
                (instance ?PROC Process)
                (instrument ?PROC ?DEVICE)
                (patient ?PROC ?SIGIN)
                (result ?PROC ?SIGOUT)))))
HouseholdAppliances.kif 364-376 If X is an instance of audio amplifier, then All of the following hold: (1) X has the purpose there exist Y, Z (2) W such that Z is an instance of electrical signalling (3) W is an instance of electrical signalling (4) equal Z (5) W (6) Y is an instance of process (7) X is an instrument for Y (8) Z is a patient of Y (9) W is a result of Y


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