Theorems · Theorem · number theory
DirichletCharacter.zetaMul_nonneg
∀ {N : ℕ} {χ : DirichletCharacter ℂ N}, χ ^ 2 = 1 → ∀ (n : ℕ), 0 ≤ χ.zetaMul nzetaMul χ takes nonnegative real values when χ is a quadratic character.
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- Foundations
- Depth 165 from the axioms · uses propext, Classical.choice, Quot.sound
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