theorem
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term proof
recombination_redshift_positive
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62theorem recombination_redshift_positive : 0 < rs_recombination_redshift := by norm_num
proof body
Term-mode proof.
63
64/-! ## CMB Temperature Formula -/
65
66/-- **CMB TEMPERATURE**: T₀ = T*/(1+z*)
67 The photon temperature redshifts with cosmic expansion. -/