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def definition def or abbrev

planckTemperature

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formal statement (Lean)

  50noncomputable def planckTemperature : ℝ := planckEnergy / (1.380649e-23)

proof body

Definition body.

  51
  52/-! ## Relationship to τ₀ -/
  53
  54/-- The ratio τ₀ / t_P:
  55
  56    τ₀ ≈ 1.288 × 10⁻²⁷ s
  57    t_P ≈ 5.391 × 10⁻⁴⁴ s
  58
  59    τ₀ / t_P ≈ 2.39 × 10¹⁶
  60
  61    This is a huge number! What powers of φ does it equal? -/

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