lean_workbook_plus_45519

Proved

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

Prove that $n^7 \equiv n \pmod{7}$ .

Preamble

import Mathlib.Analysis.Complex.Basic

Formal statement

theorem lean_workbook_plus_45519 (n : ℤ) : n^7 ≡ n [ZMOD 7]   :=  by sorry

Source