o
Represents a slashed or barred lowercase letter 'o', commonly used in Nordic languages and mathematical notation.
Overview
Serves as both a linguistic character and mathematical symbol, appearing frequently in Scandinavian text and specialized notation.
- Essential for writing Danish and Norwegian words where 'ø' appears
- Used in mathematical contexts to denote empty sets or null elements
- Often appears in linguistic transcriptions and phonetic notation
- Particularly important in multilingual documents and academic writing involving Nordic languages
Examples
Showing the empty set symbol in a set theory statement
A \text{\o} = \text{\o}Demonstrating a null intersection between sets
A \cap B = \text{\o}Expressing that a set contains no elements
|\text{\o}| = 0