上确界
Traditional form:
上確界
Pinyin (reading):
shàngquèjiè
Definitions:
- supremum (math.)
- least upper bound
Characters:
- 上 - above, on top, superior; to go up; to attend; previous
- 确 - certain, sure; definite, exact; real, true
- 界 - boundary, limit; domain; society, the world
Traditional characters: