UnitAddCircle.mem_approxAddOrderOf_iff

∀ {δ : ℝ} {x : UnitAddCircle} {n : ℕ},
  0 < n → (x ∈ approxAddOrderOf UnitAddCircle n δ ↔ ∃ m < n, gcd m n = 1 ∧ ‖x - ↑(↑m / ↑n)‖ < δ)

Defined in: Mathlib.NumberTheory.WellApproximable
Cited by: 1 results in Mathlib
Foundations: Depth 166 from the axioms · uses propext, Classical.choice, Quot.sound

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