lean_workbook_plus_52119

Proved

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

Note that $2n+1$ is always odd

Preamble

import Mathlib.Analysis.Complex.Basic

Formal statement

theorem lean_workbook_plus_52119 (n : ℕ) : Odd (2 * n + 1)   :=  by sorry

Source