import Mathlib

/- Original: i=1  where vi = |ei ⟩⟨ei+1 | for i = 1, -/
theorem eq_4b9a9d818949e851 (ei : ℕ) (for : ℕ) (i : ℕ) (vi : ℕ) (where : ℕ) : i=1 where vi = |ei ⟩⟨ei+1 | for i = 1, := by
  omega