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def definition def or abbrev

omega_observed

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formal statement (Lean)

  53noncomputable def omega_observed : DensityParameter := {

proof body

Definition body.

  54  value := 1.0,
  55  uncertainty := 0.0002,
  56  value_pos := by norm_num
  57}
  58
  59/-- The critical density at the current epoch.
  60
  61    ρ_c = 3H₀²/(8πG) ≈ 9.5 × 10⁻²⁷ kg/m³
  62
  63    This is incredibly dilute: about 5 hydrogen atoms per cubic meter! -/

depends on (11)

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