∀ {E : Type u_1} [inst : NormedAddCommGroup E] [inst_1 : NormedSpace ℝ E] [inst_2 : FiniteDimensional ℝ E]
  [inst_3 : MeasurableSpace E] [inst_4 : BorelSpace E] {D : ℝ} {x : E},
  0 < D → D < 1 → x ∈ Metric.ball 0 (1 + D) → 0 < ExistsContDiffBumpBase.y D x