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Sigma KEE - PublicAddressSystem
PublicAddressSystem(public address system)P.A., P.A._system, PA, PA_system, public_address_system

appearance as argument number 1

(documentation PublicAddressSystem EnglishLanguage "PublicAddressSystem refers to an electronic amplification system used as a communication system in public areas") Mid-level-ontology.kif 25461-25462
(subclass PublicAddressSystem CommunicationSystem) Mid-level-ontology.kif 25460-25460 Public address system is a subclass of communication system

appearance as argument number 2

(termFormat EnglishLanguage PublicAddressSystem "public address system") Mid-level-ontology.kif 25463-25463


    (instance ?X PublicAddressSystem)
        (memberType ?X Microphone)
        (memberType ?X SpeakerDevice)))
Mid-level-ontology.kif 25465-25469
    (instance ?X PublicAddressSystem)
    (hasPurpose ?X
        (exists (?RS ?AREA ?GRP)
                (instance ?AREA LandArea)
                (located ?X ?AREA)
                (instance ?GRP GroupOfPeople)
                (located ?GRP ?AREA)
                (instance ?RS RadiatingSound)
                (instrument ?RS ?X)
                (forall (?PERSON)
                        (member ?PERSON ?GRP)
                        (exists (?HEAR)
                                (instance ?HEAR Hearing)
                                (patient ?HEAR ?RS)
                                (agent ?HEAR ?PERSON)))))))))
Mid-level-ontology.kif 25471-25489

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