If $X$ is a compact Hausdorff space, then $\mathcal{C}(X)$ is reflexive iff $X$ is finite.

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Let $X$ be a compact Hausdorff space. Then show that $\mathcal{C}(X)$ is reflexive iff $X$ is finite, where $\mathcal{C}(X)$ is the set of all continuous from $X$ to the base field ($\mathbb{R}$ or $\mathbb{C}$ in this case).

Attempt: If $X$ is finite, then $\mathcal{C}(X)$ is clearly finite dimensional, and hence reflexive. How do I show the converse? (Some answers seem to require Urysohn's Lemma, anyway around this?)