skos:altLabel | - null
- <small></small>
- empty
- ∅
- nonempty
- emptiness
- non-empty
- empty space
- Empty function
- The empty set
- empty antichain
- empty family
- empty index set
- empty set
- empty set symbol
- empty subset
- empty set
- no examples in the subset
- non-emptiness
- null class
- slashed 0
- zero members in a set
|