lean_workbook_plus_60536

Proved

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

Explain the step $1200x \pmod {1199} \equiv x \pmod {1199}$ given $1200 \equiv 1 \pmod {1199}$

Preamble

import Mathlib.Analysis.Complex.Basic

Formal statement

theorem lean_workbook_plus_60536 (x : ℕ) : 1200 * x ≡ x [ZMOD 1199]   :=  by sorry

Source