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Sigma KEE - RoomHeater
RoomHeater(room heater)convector, electric_fire, electric_heater, heat, heat_lamp, heater, heating, heating_plant, heating_system, infrared_lamp, radiator, space_heater, warmer

appearance as argument number 1
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(subclass RoomHeater HeatingDevice) Mid-level-ontology.kif 29433-29433 Room heater is a subclass of heating device
(documentation RoomHeater EnglishLanguage "RoomHeater is a type of HeatingDevice that heats the air in a confined space") Mid-level-ontology.kif 29434-29435 Room heater is a subclass of heating device

appearance as argument number 2
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(termFormat EnglishLanguage RoomHeater "room heater") Mid-level-ontology.kif 29436-29436

antecedent
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(=>
    (instance ?X RoomHeater)
    (hasPurpose ?X
        (exists (?AIR ?HEATING ?ROOM)
            (and
                (instance ?AIR Air)
                (instance ?ROOM Room)
                (located ?AIR ?ROOM)
                (instance ?HEATING Heating)
                (patient ?HEATING ?AIR)
                (instrument ?HEATING ?X)))))
Mid-level-ontology.kif 29438-29448 If X is an instance of room heater, then All of the following hold: (1) X has the purpose there exist Y, Z (2) W such that Y is an instance of air (3) W is an instance of room (4) Y is located at W (5) Z is an instance of heating (6) Y is a patient of Z (7) X is an instrument for Z


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