`BookProof.ChapterCoherentThermalFidelity.coherentThermalFidelity_hasSum` (h : 0 ≤ nbar) (lam : ℝ) : HasSum (fun n : ℕ => coherentOccupation lam n * thermalProb nbar n) (Real.exp (

Initializing...

`BookProof.ChapterCoherentThermalFidelity.coherentThermalFidelity_hasSum` (h : 0 ≤ nbar) (lam : ℝ) : HasSum (fun n : ℕ => coherentOccupation lam n * thermalProb nbar n) (Real.exp ( · Prove2Me