Definition:Sub-Basis/Synthetic Sub-Basis

Definition
Let $X$ be a set.

A synthetic sub-basis on $X$ is any subset $\mathcal S \subseteq \mathcal P \left({X}\right)$ of the power set of $X$.

Also see

 * Analytic Sub-Basis
 * Basis


 * Synthetic Basis Formed from Synthetic Sub-Basis