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theorem proved term proof

phi5_gt

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formal statement (Lean)

  38theorem phi5_gt : (11.05 : ℝ) < phi ^ 5 := by

proof body

Term-mode proof.

  39  rw [phi5_eq]
  40  linarith [phi_gt_onePointSixOne]
  41
  42/-- φ⁵ < 11.11 (using φ < 1.62). -/

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depends on (6)

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