exact lt_succ_sqrt (Vector.get v i)
case left.right
n : ℕ
i : Fin n
this :
  ArithPart₁ fun v =>
    rfind fun x => Part.some (decide ((fun x x => x * x) v x ≤ v.get i ∧ v.get i < (fun x x => x * x) v (x + 1)))
v : Vector ℕ n
⊢ v.get i < ((v.get i).sqrt + 1) * ((v.get i).sqrt + 1)
no goals