lean_workbook_plus_3399

Proved

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

we have $7^7.7^7 > (3^3.4^4)^3$

Preamble

import Mathlib.Analysis.Complex.Basic

Formal statement

theorem lean_workbook_plus_3399 : 7^7 * 7^7 > (3^3 * 4^4)^3   :=  by sorry

Source