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No TPTP formula. May not be expressible in strict first order. Mid-level-ontology.kif 14293-14293 Audio recording is a subclass of recording
No TPTP formula. May not be expressible in strict first order. Mid-level-ontology.kif 14394-14394 Music recording is a subclass of audio recording
No TPTP formula. May not be expressible in strict first order. Mid-level-ontology.kif 27079-27079 Voice mail is a subclass of audio recording
No TPTP formula. May not be expressible in strict first order. Media.kif 1456-1456 Audio file is a subclass of audio recording


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