lean_workbook_plus_80591

Open

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

$\implies \log x=\log 6 \implies x=6$

Preamble

import Mathlib.Analysis.Complex.Basic

Formal statement

theorem lean_workbook_plus_80591  (x : ℝ)
  (h₀ : 0 < x)
  (h₁ : Real.log x = Real.log 6) :
  x = 6   :=  by sorry

Source