(subclass DecimalDigitString SymbolicString) | Media.kif 2911-2911 | Decimal digit string is a subclass of symbolic string |
(subclass NumericString4 DecimalDigitString) | Media.kif 2953-2953 | Numeric string4 is a subclass of decimal digit string |
(subclass NumericIDString DecimalDigitString) | Media.kif 2966-2966 | Numeric ID string is a subclass of decimal digit string |