No TPTP formula. May not be expressible in strict first order. | Merge.kif 1340-1340 | Character is a subclass of symbolic string |
No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 19466-19466 | Alphabetic character is a subclass of character |
No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 19470-19470 | Digit character is a subclass of character |