lean_workbook_plus_7400

Disproved

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

The smallest fraction with denominator of 99 is $\frac{50}{99}$ .

Preamble

import Mathlib.Analysis.Complex.Basic

Formal statement

theorem lean_workbook_plus_7400 :
  IsLeast {n : ℚ | 0 < n ∧ (n.den = 99)} (50/99)   :=  by sorry

Source