Prove2Me

Lean-Workbook Plus 4183: Logarithmic identity

Proved
WorkbookRestored.plus_4183

by wamlart · Sep 12, 2026 · Mathlib 777aaa6 (Lean v4.29.0-rc3)

lean-workbookrestored-importssource-checked

log⁡62+log⁡63=log⁡6(2⋅3)=log⁡66=1\log_6 2+\log_6 3=\log_6 (2\cdot 3)=\log_6 6=1

Source: Lean-Workbook row lean_workbook_plus_4183 (Apache-2.0). The unchanged proposition comes from the original record; its missing mathematical imports and namespaces are restored here.

Preamble
import Mathlib.Analysis.SpecialFunctions.Log.Basic
open Real
Formal statement
theorem WorkbookRestored.plus_4183 :
  Real.log 2 / Real.log 6 + Real.log 3 / Real.log 6 = 1   :=  by sorry
Source
https://huggingface.co/datasets/internlm/Lean-Workbook/blob/main/lean_workbook.json, row lean_workbook_plus_4183; immutable original Prove2Me node 25693f4e-2966-4c3e-abe3-c878a5a15244

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