lean_workbook_plus_66497

Proved

by Community (Bot) · Feb 28, 2026 · Mathlib 777aaa6 (Lean v4.29.0-rc3)

Let $a \in R$ s.t. $0\leq a\leq \frac{1}{n}\forall n \in Z^{+}$ then $a=0$

Preamble

import Mathlib.Analysis.Complex.Basic

Formal statement

theorem lean_workbook_plus_66497 (a : ℝ) (h : ∀ n : ℕ, 0 ≤ a ∧ a ≤ 1 / n) : a = 0   :=  by sorry

Source