Subbase
Revision as of 20:16, 28 August 2014 by Tom (talk | contribs) (Created page with "Let $(X,\tau)$ be a topological space. Then we say that a set $B \subset \tau$ of open sets is a subbase of $(X,\tau)$ if the smallest topology containing $B$ is $\tau$.")
Let $(X,\tau)$ be a topological space. Then we say that a set $B \subset \tau$ of open sets is a subbase of $(X,\tau)$ if the smallest topology containing $B$ is $\tau$.
