lean_workbook_plus_71935
ProvedProve that if , then .
Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_71935 {a b : ℕ} (h₁ : a ∣ b) : (2 ^ a - 1) ∣ (2 ^ b - 1) := by sorrySource
Prove that if , then .
import Mathlib.Analysis.Complex.Basic
theorem lean_workbook_plus_71935 {a b : ℕ} (h₁ : a ∣ b) : (2 ^ a - 1) ∣ (2 ^ b - 1) := by sorry