8 lines
295 B
Text
8 lines
295 B
Text
/-
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The following example requires the normalization rule `one_mul`
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-/
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theorem inv_lt_of_inv_lt₀ {a b : Rat} : 0 < a → a⁻¹ < b → b⁻¹ < a := sorry
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example (ε : Rat) (hε : 0 < ε) (N : Rat) (hN : 1 / ε < N) (n : Rat) (hn : N ≤ n) : 1 / n < ε := by
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grind [inv_lt_of_inv_lt₀]
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