ThmDex – An index of mathematical definitions, results, and conjectures.

ThmDex – An index of mathematical definitions, results, and conjectures.

Formulation F4475 on R233: Whole space is closed

F4475

Formulation 0

Let $T = (X, \mathcal{T})$ be a D1106: Topological space.

Then $X$ is a D98: Closed set in $T$.