No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 2374-2374 | Recreation or exercise device is a subclass of device |
No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 8228-8228 | Aerobic exercise device is a subclass of recreation or exercise device |
No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 8232-8232 | Anaerobic exercise device is a subclass of recreation or exercise device |