lean_workbook_plus_61163
ProvedProve that if is even, then is divisible by 3.
Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_61163 : ∀ x : ℕ, Even x → 3 ∣ (2 ^ x - 1) := by sorry
Source
Prove that if is even, then is divisible by 3.
import Mathlib.Analysis.Complex.Basic
theorem lean_workbook_plus_61163 : ∀ x : ℕ, Even x → 3 ∣ (2 ^ x - 1) := by sorry