theorem
proved
term proof
recombination_energy_approx_eV
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formal statement (Lean)
50theorem recombination_energy_approx_eV :
51 0.25 < kB_eV_per_K * recombination_temperature_K ∧
52 kB_eV_per_K * recombination_temperature_K < 0.27 := by
proof body
Term-mode proof.
53 constructor <;> norm_num [kB_eV_per_K]
54
55/-! ## Recombination Redshift -/
56
57/-- **RS RECOMBINATION REDSHIFT**: z* ≈ 1100.
58 From Saha equation with RS η and Ω_b h² = 0.022. -/