Is there a non empty set $X$ such that $|T_X| = 2^{2^{|X|}}$ where $T_X$ are all topologies on $X$?
I know $T_X$ to be a strict subset of $\mathcal{P}(\mathcal{P}(X))$ and that no finite set works.
Is there a non empty set $X$ such that $|T_X| = 2^{2^{|X|}}$ where $T_X$ are all topologies on $X$?
I know $T_X$ to be a strict subset of $\mathcal{P}(\mathcal{P}(X))$ and that no finite set works.