No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 18017-18017 | Tilling is a subclass of digging |
No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 18020-18020 | Tilling is a subclass of intentional process |
No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 18021-18021 | Tilling is a subclass of surface change |