(subclass AlphabeticCharacter Character) | Mid-level-ontology.kif 19466-19466 | Alphabetic character is a subclass of character |
(subclass Consonant AlphabeticCharacter) | Mid-level-ontology.kif 19474-19474 | Consonant is a subclass of alphabetic character |
(subclass Vowel AlphabeticCharacter) | Mid-level-ontology.kif 19478-19478 | Vowel is a subclass of alphabetic character |