No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 15170-15170 | Window is a subclass of artifact |
No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 3442-3442 | Vehicle window is a subclass of window |
No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 15189-15189 | Skylight is a subclass of window |
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