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No TPTP formula. May not be expressible in strict first order. Mid-level-ontology.kif 1920-1920 Brush or comb is a subclass of device
No TPTP formula. May not be expressible in strict first order. Mid-level-ontology.kif 1908-1908 Broom is a subclass of brush or comb
No TPTP formula. May not be expressible in strict first order. Mid-level-ontology.kif 2219-2219 Toothbrush is a subclass of brush or comb


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