| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 22233-22233 | Occupational role is a subclass of social role |
| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 8258-8258 | Skilled occupation is a subclass of occupational role |
| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 8273-8273 | Manual labor is a subclass of occupational role |
| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 22274-22274 | Occupational domain is a subclass of occupational role |
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