Let $X$ be a set.
Also known as
Some sources do not hyphenate sub-basis but instead render it as subbasis.
Some sources use the term sub-base (or subbase).
- Definition:Topology Generated by Synthetic Sub-Basis
- Definition:Analytic Sub-Basis
- Definition:Basis (Topology)
The plural of sub-basis is sub-bases.
This is properly pronounced sub-bay-seez, rather than sub-bay-siz, deriving as it does from the Greek plural form of nouns ending -is.