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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
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(documentation PublicAddressSystem EnglishLanguage "PublicAddressSystem refers to an electronic amplification system used as a communication system in public areas") Mid-level-ontology.kif 22307-22308
(subclass PublicAddressSystem CommunicationSystem) Mid-level-ontology.kif 22306-22306 Public address system is a subclass of communication system

appearance as argument number 2
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(termFormat EnglishLanguage PublicAddressSystem "public address system") Mid-level-ontology.kif 22309-22309

antecedent
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(=>
    (instance ?X PublicAddressSystem)
    (and
        (memberType ?X Microphone)
        (memberType ?X SpeakerDevice)))
Mid-level-ontology.kif 22311-22315
(=>
    (instance ?X PublicAddressSystem)
    (hasPurpose ?X
        (exists (?RS ?AREA ?GRP)
            (and
                (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)
                            (and
                                (instance ?HEAR Hearing)
                                (patient ?HEAR ?RS)
                                (agent ?HEAR ?PERSON)))))))))
Mid-level-ontology.kif 22317-22335


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