lean_workbook_plus_6876
ProvedShow that if divides , then divides .
Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_6876 : ∀ {a b : ℕ}, b ∣ a → (2 ^ b - 1) ∣ (2 ^ a - 1) := by sorrySource
Show that if divides , then divides .
import Mathlib.Analysis.Complex.Basic
theorem lean_workbook_plus_6876 : ∀ {a b : ℕ}, b ∣ a → (2 ^ b - 1) ∣ (2 ^ a - 1) := by sorry