Let $K$ be a totally ramified extension of $\mathbb Q_p$ of degree $n$. Then $$ \mathcal O_K/(p) \cong \mathbb F_p[T]/(T^n) .$$ What is this isomorphism?
2026-04-02 09:14:57.1775121297
$ \mathcal O_K/(p) \cong \mathbb F_p[T]/(T^n)$?
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