No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 25060-25060 | FixedPhone 是 电话 的 subclass |
No TPTP formula. May not be expressible in strict first order. | Communications.kif 73-73 | CordedTelephone 是 FixedPhone 的 subclass |
No TPTP formula. May not be expressible in strict first order. | Communications.kif 89-89 | CordlessTelephone 是 FixedPhone 的 subclass |