The unramified coefficient measure on `O[X]/(Φ)` is an additive Haar probability measure, and the ball `x + (base ideal)^L` has mass `q^(-δL)`.

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The unramified coefficient measure on `O[X]/(Φ)` is an additive Haar probability measure, and the ball `x + (base ideal)^L` has mass `q^(-δL)`. · Prove2Me