lean_workbook_plus_37693

Proved

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

And $1971^{1970} \equiv_{13} 12$

Preamble

import Mathlib.Analysis.Complex.Basic

Formal statement

theorem lean_workbook_plus_37693 :
  1971^1970 ≡ 12 [ZMOD 13]   :=  by sorry

Source