The Frobenius iterates of `Oδ = O[X]/(Φ)` extend to automorphisms `τ i` of `Kδ = Frac Oδ` fixing `K`;

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The Frobenius iterates of `Oδ = O[X]/(Φ)` extend to automorphisms `τ i` of `Kδ = Frac Oδ` fixing `K`; · Prove2Me