T5 Space is Preserved under Homeomorphism

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Theorem

Let $T_A = \left({S_A, \tau_A}\right), T_B = \left({S_B, \tau_B}\right)$ be topological spaces.

Let $\phi: T_A \to T_B$ be a homeomorphism.


If $T_A$ is a $T_5$ space, then so is $T_B$.


Proof


Sources