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No TPTP formula. May not be expressible in strict first order. Media.kif 847-847 Audio visual data storage device is a subclass of audio data storage device
No TPTP formula. May not be expressible in strict first order. Media.kif 848-848 Audio visual data storage device is a subclass of video data storage device
No TPTP formula. May not be expressible in strict first order. Media.kif 1371-1371 Audio cassette is a subclass of audio visual data storage device


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