Topic: T0, T1 and Hausdorff Spaces

Zariski Topology on the Affine Line as a Cofinite Example

Why Finite T1 Spaces Are Discrete

Unique Sequence Limits in Hausdorff Spaces

Topological Indistinguishability and the T0 Axiom

The Diagonal Is Closed Exactly in Hausdorff Spaces

T1 Spaces and Closed Singletons

T0 and T1 Properties in Product Spaces

T0 Classification of Finite Topological Spaces

Strict Examples for the T0-T1-Hausdorff Hierarchy

Proving Every Hausdorff Space Is T1