$\textbf{$T_2$ space / Hausdorff space}$
A topological space $X$ is called a $T_2$ space or Hausdorff space if for any two points $x\neq y$ there are disjoint open sets $U$ and $V$ with $x\in U$ and $y\in V$.
$\textbf{$T_2$ space / Hausdorff space}$
A topological space $X$ is called a $T_2$ space or Hausdorff space if for any two points $x\neq y$ there are disjoint open sets $U$ and $V$ with $x\in U$ and $y\in V$.
copied
𝐓₂ 𝐬𝐩𝐚𝐜𝐞 / 𝐇𝐚𝐮𝐬𝐝𝐨𝐫𝐟𝐟 𝐬𝐩𝐚𝐜𝐞
A topological space 𝑋 is called a 𝑇₂ space or Hausdorff space if for any two points 𝑥≠𝑦 there are disjoint open sets 𝑈 and 𝑉 with 𝑥∈𝑈 and 𝑦∈𝑉.