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theorem proved term proof

sqrt5_lt_22360680

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formal statement (Lean)

  67theorem sqrt5_lt_22360680 : sqrt 5 < (2.2360680 : ℝ) := by

proof body

Term-mode proof.

  68  rw [← sqrt_sq (by norm_num : (0 : ℝ) ≤ 2.2360680)]
  69  exact sqrt_lt_sqrt (by norm_num : (0 : ℝ) ≤ 5) five_lt_sq_22360680
  70
  71/-- 1.61803395 < φ -/

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