antecedent

(=>     (instance ?X DVDSystem)     (hasPurpose ?X         (exists (?DVD ?PROC)             (and                 (instance ?DVD DVD)                 (instrument ?PROC ?X)                 (patient ?PROC ?DVD)                 (or                     (exists (?VIDEO ?DVIDEO ?RL)                         (and                             (instance ?VIDEO VideoRecording)                             (represents ?DVIDEO ?VIDEO)                             (part ?DVIDEO ?DVD)                             (instance ?RL RadiatingLight)                             (subProcess ?RL ?PROC)                             (instrument ?RL ?X)                             (patient ?RL ?VIDEO)))                     (exists (?AUDIO ?DAUDIO ?RS)                         (and                             (instance ?AUDIO AudioRecording)                             (represents ?DAUDIO ?AUDIO)                             (part ?DAUDIO ?DVD)                             (instance ?RS RadiatingSound)                             (subProcess ?RS ?PROC)                             (instrument ?RS ?X)                             (patient ?RS ?AUDIO))))))))

Media.kif 1277-1303

If a physical is an instance of dvd player, then the physical has the purpose there exist an entity and another entity such that the entity is an instance of DVD and the physical is an instrument for the other entity and the entity is a patient of the other entity and there exist a third entity, a fourth entity and a fifth entity such that the third entity is an instance of video recording and the fourth entity expresses the third entity and the fourth entity is a part of the entity and the fifth entity is an instance of radiating light and the fifth entity is a subprocess of the other entity and the physical is an instrument for the fifth entity and the third entity is a patient of the fifth entity or there exist a sixth entity, a seventh entity and a eighth entity such that the sixth entity is an instance of audio recording and the seventh entity expresses the sixth entity and the seventh entity is a part of the entity and the eighth entity is an instance of radiating sound and the eighth entity is a subprocess of the other entity and the physical is an instrument for the eighth entity and the sixth entity is a patient of the eighth entity

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