User:Cjhanrahan

This is the sandbox for the user cjhanrahan.

Now consider the set $\mathbb K'$ defined as: $\mathbb K' := \left\{{K' \subseteq T: H \subseteq K', K' \text { closed in } T}\right\}$.

Now consider the set $\mathbb K'$ defined as:
 * $\mathbb K' := \left\{{K' \subseteq T: H \subseteq K', K' \text { closed in } T}\right\}$.