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lemma proved term proof

E_passive_exact

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formal statement (Lean)

 165lemma E_passive_exact : (E_passive : ℝ) = 11 := by

proof body

Term-mode proof.

 166  have h : (E_passive : ℕ) = 11 := rfl
 167  simp only [h, Nat.cast_ofNat]
 168
 169/-- Cube faces = 6 (exact). -/

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