lean_workbook_plus_38909

Proved

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

Prove that $2[x]\\leq[2x],$ for all $x > 0$

Preamble

import Mathlib.Analysis.Complex.Basic

Formal statement

theorem lean_workbook_plus_38909 (x : ℝ) (hx : 0 < x) : 2 * Int.floor x ≤ Int.floor (2 * x)   :=  by sorry

Source