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theorem proved term proof

carrier_pos

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formal statement (Lean)

 198theorem carrier_pos {σ : ℝ} (hσ : 1/2 < σ) :
 199    0 < carrierValue σ := by

proof body

Term-mode proof.

 200  unfold carrierValue
 201  exact Real.exp_pos _
 202
 203/-- The carrier is nonvanishing on Re(s) > 1/2.
 204    Proof: C(s) = exp(log C(s)), and exp is never zero.
 205    The log converges by det2_log_summable. -/

used by (13)

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depends on (11)

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