lean_workbook_plus_23104

Proved

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

i think what the problem means is that if $c|b$ and $a|\frac{b}{c}$ , then $a|b$

Preamble

import Mathlib.Analysis.Complex.Basic

Formal statement

theorem lean_workbook_plus_23104 (a b c : ℕ) (h₁ : c ∣ b) (h₂ : a ∣ b / c) : a ∣ b   :=  by sorry

Source