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theorem proved term proof

bhEntropy_eq

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formal statement (Lean)

  60theorem bhEntropy_eq (M : ℝ) : bhEntropy M = 4 * Real.pi * M ^ 2 := by

proof body

Term-mode proof.

  61  unfold bhEntropy horizonArea
  62  ring
  63

used by (1)

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depends on (7)

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