theorem
proved
term proof
alpha_seed_computable
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formal statement (Lean)
269theorem alpha_seed_computable : Computable (4 * Real.pi * 11) := by
proof body
Term-mode proof.
270 have h1 : Computable ((4 : ℕ) : ℝ) := inferInstance
271 have h2 : Computable Real.pi := pi_computable
272 have h3 : Computable ((11 : ℕ) : ℝ) := inferInstance
273 simp only [Nat.cast_ofNat] at h1 h3
274 exact computable_mul (computable_mul h1 h2) h3
275
276/-- ln φ is computable. -/