(subclass Character SymbolicString) | Merge.kif 1340-1340 | 字符 是 符号串 的 subclass |
(subclass AlphabeticCharacter Character) | Mid-level-ontology.kif 19465-19465 | 字母字符 是 字符 的 subclass |
(subclass DigitCharacter Character) | Mid-level-ontology.kif 19469-19469 | 数字字符 是 字符 的 subclass |